The Mandriva Security Team has published a new security update: MDKSA-2005:134 - Updated xpdf packages fix vulnerability for Mandriva Linux.
The Mandriva Security Team has published a new security update: MDKSA-2005:136 - Updated gpdf packages fix vulnerability for Mandriva Linux.
The Mandriva Security Team has published a new security update: MDKSA-2005:135 - Updated kdegraphics packages fix vulnerability for Mandriva Linux.
The Mandriva Security Team has published a new security update: MDKSA-2005:137 - Updated ucd-snmp packages fix a DoS vulnerability for Mandriva Linux.
The Mandriva Security Team has published a new security update: MDKSA-2005:138 - Updated cups packages fix vulnerability for Mandriva Linux.
Updated netpbm packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: netpbm
Advisory ID: MDKSA-2005:133
Date: August 9th, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
Max Vozeler discovered that pstopnm, a part of the netpbm graphics utility suite, would call the GhostScript interpreter on untrusted PostScript files without using the -dSAFER option when converting a PostScript file into a PBM, PGM, or PNM file. This could result in the execution of arbitrary commands with the privileges of the user running pstopnm if they could be convinced to try to convert a malicious PostScript file.
The updated packages have been patched to correct this problem.
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Mandriva Linux Security Update Advisory
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Package name: netpbm
Advisory ID: MDKSA-2005:133
Date: August 9th, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
Max Vozeler discovered that pstopnm, a part of the netpbm graphics utility suite, would call the GhostScript interpreter on untrusted PostScript files without using the -dSAFER option when converting a PostScript file into a PBM, PGM, or PNM file. This could result in the execution of arbitrary commands with the privileges of the user running pstopnm if they could be convinced to try to convert a malicious PostScript file.
The updated packages have been patched to correct this problem.
Updated heartbeat packages are available for Mandriva Corporate 3.0
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Mandriva Linux Security Update Advisory
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Package name: heartbeat
Advisory ID: MDKSA-2005:132
Date: August 9th, 2005
Affected versions: Corporate 3.0
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Problem Description:
Eric Romang discovered that Heartbeat would create temporary files with predictable filenames. This could allow a local attacker to create symbolic links in the temporary file directory pointing to a valid file on the filesystem which could lead to the file being overwritten by the rights of the user running the vulnerable script.
The updated packages have been patched to correct this problem.
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Mandriva Linux Security Update Advisory
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Package name: heartbeat
Advisory ID: MDKSA-2005:132
Date: August 9th, 2005
Affected versions: Corporate 3.0
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Problem Description:
Eric Romang discovered that Heartbeat would create temporary files with predictable filenames. This could allow a local attacker to create symbolic links in the temporary file directory pointing to a valid file on the filesystem which could lead to the file being overwritten by the rights of the user running the vulnerable script.
The updated packages have been patched to correct this problem.
Updated ethereal packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: ethereal
Advisory ID: MDKSA-2005:131
Date: August 4th, 2005
Affected versions: 10.1, 10.2
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Problem Description:
A number of vulnerabilities were discovered in versions of Ethereal prior to version 0.10.12, including:
The SMB dissector could overflow a buffer or exhaust memory (CAN-2005-2365).
iDefense discovered that several dissectors are vulnerable to format string overflows (CAN-2005-2367).
A number of other portential crash issues in various dissectors have also been corrected.
This update provides Ethereal 0.10.12 which is not vulnerable to these issues.
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Mandriva Linux Security Update Advisory
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Package name: ethereal
Advisory ID: MDKSA-2005:131
Date: August 4th, 2005
Affected versions: 10.1, 10.2
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Problem Description:
A number of vulnerabilities were discovered in versions of Ethereal prior to version 0.10.12, including:
The SMB dissector could overflow a buffer or exhaust memory (CAN-2005-2365).
iDefense discovered that several dissectors are vulnerable to format string overflows (CAN-2005-2367).
A number of other portential crash issues in various dissectors have also been corrected.
This update provides Ethereal 0.10.12 which is not vulnerable to these issues.
Updated apache packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: apache
Advisory ID: MDKSA-2005:130
Date: August 3rd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
Watchfire reported a flaw that occured when using the Apache server as a HTTP proxy. A remote attacker could send an HTTP request with both a "Transfer-Encoding: chunked" header and a "Content-Length" header which would cause Apache to incorrectly handle and forward the body of the request in a way that the receiving server processed it as a separate HTTP request. This could be used to allow the bypass of web application firewall protection or lead to cross-site scripting (XSS) attacks (CAN-2005-2088).
The updated packages have been patched to prevent these issues.
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: apache
Advisory ID: MDKSA-2005:130
Date: August 3rd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
Watchfire reported a flaw that occured when using the Apache server as a HTTP proxy. A remote attacker could send an HTTP request with both a "Transfer-Encoding: chunked" header and a "Content-Length" header which would cause Apache to incorrectly handle and forward the body of the request in a way that the receiving server processed it as a separate HTTP request. This could be used to allow the bypass of web application firewall protection or lead to cross-site scripting (XSS) attacks (CAN-2005-2088).
The updated packages have been patched to prevent these issues.
Updated apache2 packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: apache2
Advisory ID: MDKSA-2005:129
Date: August 3rd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
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Problem Description:
Marc Stern reported an off-by-one overflow in the mod_ssl CRL verification callback which can only be exploited if the Apache server is configured to use a malicious certificate revocation list (CAN-2005-1268).
Watchfire reported a flaw that occured when using the Apache server as a HTTP proxy. A remote attacker could send an HTTP request with both a "Transfer-Encoding: chunked" header and a "Content-Length" header which would cause Apache to incorrectly handle and forward the body of the request in a way that the receiving server processed it as a separate HTTP request. This could be used to allow the bypass of web application firewall protection or lead to cross-site scripting (XSS) attacks (CAN-2005-2088).
The updated packages have been patched to prevent these issues.
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: apache2
Advisory ID: MDKSA-2005:129
Date: August 3rd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
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Problem Description:
Marc Stern reported an off-by-one overflow in the mod_ssl CRL verification callback which can only be exploited if the Apache server is configured to use a malicious certificate revocation list (CAN-2005-1268).
Watchfire reported a flaw that occured when using the Apache server as a HTTP proxy. A remote attacker could send an HTTP request with both a "Transfer-Encoding: chunked" header and a "Content-Length" header which would cause Apache to incorrectly handle and forward the body of the request in a way that the receiving server processed it as a separate HTTP request. This could be used to allow the bypass of web application firewall protection or lead to cross-site scripting (XSS) attacks (CAN-2005-2088).
The updated packages have been patched to prevent these issues.
Updated mozilla pacages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: mozilla
Advisory ID: MDKSA-2005:128
Date: August 2nd, 2005
Affected versions: 10.1, Corporate 3.0
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Problem Description:
A number of vulnerabilities were reported and fixed in Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
In several places the browser UI did not correctly distinguish between true user events, such as mouse clicks or keystrokes, and synthetic events genenerated by web content. The problems ranged from minor annoyances like switching tabs or entering full-screen mode, to a variant on MFSA 2005-34 Synthetic events are now prevented from reaching the browser UI entirely rather than depend on each potentially spoofed function to protect itself from untrusted events (MFSA 2005-45).
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Mandriva Linux Security Update Advisory
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Package name: mozilla
Advisory ID: MDKSA-2005:128
Date: August 2nd, 2005
Affected versions: 10.1, Corporate 3.0
______________________________________________________________________
Problem Description:
A number of vulnerabilities were reported and fixed in Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
In several places the browser UI did not correctly distinguish between true user events, such as mouse clicks or keystrokes, and synthetic events genenerated by web content. The problems ranged from minor annoyances like switching tabs or entering full-screen mode, to a variant on MFSA 2005-34 Synthetic events are now prevented from reaching the browser UI entirely rather than depend on each potentially spoofed function to protect itself from untrusted events (MFSA 2005-45).
An updated mozilla-thunderbird package has been released for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: mozilla-thunderbird
Advisory ID: MDKSA-2005:127
Date: July 28th, 2005
Affected versions: 10.2
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Problem Description:
A number of vulnerabilities were reported and fixed in Thunderbird 1.0.5 and Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
The native implementations of InstallTrigger and other XPInstall- related javascript objects did not properly validate that they were called on instances of the correct type. By passing other objects, even raw numbers, the javascript interpreter would jump to the wrong place in memory. Although no proof of concept has been developed we believe this could be exploited (MFSA 2005-40).
moz_bug_r_a4 reported several exploits giving an attacker the ability to install malicious code or steal data, requiring only that the user do commonplace actions like clicking on a link or open the context menu. The common cause in each case was privileged UI code ("chrome") being overly trusting of DOM nodes from the content window. Scripts in the web page can override properties and methods of DOM nodes and shadow the native values, unless steps are taken to get the true underlying values (MFSA 2005-41).
Additional checks were added to make sure Javascript eval and Script objects are run with the privileges of the context that created them, not the potentially elevated privilege of the context calling them in order to protect against an additional variant of MFSA 2005-41 (MFSA 2005-44).
In several places the browser UI did not correctly distinguish between true user events, such as mouse clicks or keystrokes, and synthetic events genenerated by web content. The problems ranged from minor annoyances like switching tabs or entering full-screen mode, to a variant on MFSA 2005-34 Synthetic events are now prevented from reaching the browser UI entirely rather than depend on each potentially spoofed function to protect itself from untrusted events (MFSA 2005-45).
Scripts in XBL controls from web content continued to be run even when Javascript was disabled. By itself this causes no harm, but it could be combined with most script-based exploits to attack people running vulnerable versions who thought disabling javascript would protect them. In the Thunderbird and Mozilla Suite mail clients Javascript is disabled by default for protection against denial-of-service attacks and worms; this vulnerability could be used to bypass that protection (MFSA 2005-46).
When InstallVersion.compareTo() is passed an object rather than a string it assumed the object was another InstallVersion without verifying it. When passed a different kind of object the browser would generally crash with an access violation. shutdown has demonstrated that different javascript objects can be passed on some OS versions to get control over the instruction pointer. We assume this could be developed further to run arbitrary machine code if the attacker can get exploit code loaded at a predictable address (MFSA 2005-50).
A child frame can call top.focus() even if the framing page comes from a different origin and has overridden the focus() routine. The call is made in the context of the child frame. The attacker would look for a target site with a framed page that makes this call but doesn't verify that its parent comes from the same site. The attacker could steal cookies and passwords from the framed page, or take actions on behalf of a signed-in user. This attack would work only against sites that use frames in this manner (MFSA 2005-52).
Parts of the browser UI relied too much on DOM node names without taking different namespaces into account and verifying that nodes really were of the expected type. An XHTML document could be used to create fake <IMG> elements, for example, with content-defined properties that the browser would access as if they were the trusted built-in properties of the expected HTML elements. The severity of the vulnerability would depend on what the attacker could convince the victim to do, but could result in executing user-supplied script with elevated "chrome" privileges. This could be used to install malicious software on the victim's machine (MFSA 2005-55).
Improper cloning of base objects allowed web content scripts to walk up the prototype chain to get to a privileged object. This could be used to execute code with enhanced privileges (MFSA 2005-56).
The updated packages have been patched to address these issue.
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: mozilla-thunderbird
Advisory ID: MDKSA-2005:127
Date: July 28th, 2005
Affected versions: 10.2
______________________________________________________________________
Problem Description:
A number of vulnerabilities were reported and fixed in Thunderbird 1.0.5 and Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
The native implementations of InstallTrigger and other XPInstall- related javascript objects did not properly validate that they were called on instances of the correct type. By passing other objects, even raw numbers, the javascript interpreter would jump to the wrong place in memory. Although no proof of concept has been developed we believe this could be exploited (MFSA 2005-40).
moz_bug_r_a4 reported several exploits giving an attacker the ability to install malicious code or steal data, requiring only that the user do commonplace actions like clicking on a link or open the context menu. The common cause in each case was privileged UI code ("chrome") being overly trusting of DOM nodes from the content window. Scripts in the web page can override properties and methods of DOM nodes and shadow the native values, unless steps are taken to get the true underlying values (MFSA 2005-41).
Additional checks were added to make sure Javascript eval and Script objects are run with the privileges of the context that created them, not the potentially elevated privilege of the context calling them in order to protect against an additional variant of MFSA 2005-41 (MFSA 2005-44).
In several places the browser UI did not correctly distinguish between true user events, such as mouse clicks or keystrokes, and synthetic events genenerated by web content. The problems ranged from minor annoyances like switching tabs or entering full-screen mode, to a variant on MFSA 2005-34 Synthetic events are now prevented from reaching the browser UI entirely rather than depend on each potentially spoofed function to protect itself from untrusted events (MFSA 2005-45).
Scripts in XBL controls from web content continued to be run even when Javascript was disabled. By itself this causes no harm, but it could be combined with most script-based exploits to attack people running vulnerable versions who thought disabling javascript would protect them. In the Thunderbird and Mozilla Suite mail clients Javascript is disabled by default for protection against denial-of-service attacks and worms; this vulnerability could be used to bypass that protection (MFSA 2005-46).
When InstallVersion.compareTo() is passed an object rather than a string it assumed the object was another InstallVersion without verifying it. When passed a different kind of object the browser would generally crash with an access violation. shutdown has demonstrated that different javascript objects can be passed on some OS versions to get control over the instruction pointer. We assume this could be developed further to run arbitrary machine code if the attacker can get exploit code loaded at a predictable address (MFSA 2005-50).
A child frame can call top.focus() even if the framing page comes from a different origin and has overridden the focus() routine. The call is made in the context of the child frame. The attacker would look for a target site with a framed page that makes this call but doesn't verify that its parent comes from the same site. The attacker could steal cookies and passwords from the framed page, or take actions on behalf of a signed-in user. This attack would work only against sites that use frames in this manner (MFSA 2005-52).
Parts of the browser UI relied too much on DOM node names without taking different namespaces into account and verifying that nodes really were of the expected type. An XHTML document could be used to create fake <IMG> elements, for example, with content-defined properties that the browser would access as if they were the trusted built-in properties of the expected HTML elements. The severity of the vulnerability would depend on what the attacker could convince the victim to do, but could result in executing user-supplied script with elevated "chrome" privileges. This could be used to install malicious software on the victim's machine (MFSA 2005-55).
Improper cloning of base objects allowed web content scripts to walk up the prototype chain to get to a privileged object. This could be used to execute code with enhanced privileges (MFSA 2005-56).
The updated packages have been patched to address these issue.
Updated fetchmail packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: fetchmail
Advisory ID: MDKSA-2005:126
Date: July 28th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
A buffer overflow was discovered in fetchmail's POP3 client which could allow a malicious server to send a carefully crafted message UID, causing fetchmail to crash or potentially execute arbitrary code as the user running fetchmail.
The updated packages have been patched to address this problem.
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Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: fetchmail
Advisory ID: MDKSA-2005:126
Date: July 28th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0,
Corporate Server 2.1
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Problem Description:
A buffer overflow was discovered in fetchmail's POP3 client which could allow a malicious server to send a carefully crafted message UID, causing fetchmail to crash or potentially execute arbitrary code as the user running fetchmail.
The updated packages have been patched to address this problem.
Updated calav packages are available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: clamav
Advisory ID: MDKSA-2005:125
Date: July 27th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
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Problem Description:
Neel Mehta and Alex Wheeler discovered integer overflow vulnerabilites in Clam AntiVirus when handling the TNEF, CHM, and FSG file formats. By sending a specially-crafted file, an attacker could execute arbitrary code with the permissions of the user running Clam AV.
This update provides clamav 0.86.2 which is not vulnerable to these issues.
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Mandriva Linux Security Update Advisory
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Package name: clamav
Advisory ID: MDKSA-2005:125
Date: July 27th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
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Problem Description:
Neel Mehta and Alex Wheeler discovered integer overflow vulnerabilites in Clam AntiVirus when handling the TNEF, CHM, and FSG file formats. By sending a specially-crafted file, an attacker could execute arbitrary code with the permissions of the user running Clam AV.
This update provides clamav 0.86.2 which is not vulnerable to these issues.
Updated hal packages are available for Mandriva Linux
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Mandriva Linux Update Advisory
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Package name: hal
Advisory ID: MDKA-2005:036
Date: July 27th, 2005
Affected versions: 10.2
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Problem Description:
A problem was discovered in the hal package when used for auto-mounting USB storage devices (such as memory sticks) that were formatted using the DOS filesystem, or which are using manufacturer formatting. The mount points were not being created the auto-mounting was not working properly.
Updated packages are provided to fix this issue.
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Mandriva Linux Update Advisory
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Package name: hal
Advisory ID: MDKA-2005:036
Date: July 27th, 2005
Affected versions: 10.2
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Problem Description:
A problem was discovered in the hal package when used for auto-mounting USB storage devices (such as memory sticks) that were formatted using the DOS filesystem, or which are using manufacturer formatting. The mount points were not being created the auto-mounting was not working properly.
Updated packages are provided to fix this issue.
A zlib security update is available for Mandriva Linux
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Mandriva Linux Security Update Advisory
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Package name: zlib
Advisory ID: MDKSA-2005:124
Date: July 22nd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
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Problem Description:
A previous zlib update (MDKSA-2005:112; CAN-2005-2096) fixed an overflow flaw in the zlib program. While that update did indeed fix the reported overflow issue, Markus Oberhumber discovered additional ways that a specially-crafted compressed stream could trigger an overflow. An attacker could create such a stream that would cause a linked application to crash if opened by a user.
The updated packages are provided to protect against this flaw. The Corporate Server 2.1 product is not affected by this vulnerability.
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Mandriva Linux Security Update Advisory
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Package name: zlib
Advisory ID: MDKSA-2005:124
Date: July 22nd, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
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Problem Description:
A previous zlib update (MDKSA-2005:112; CAN-2005-2096) fixed an overflow flaw in the zlib program. While that update did indeed fix the reported overflow issue, Markus Oberhumber discovered additional ways that a specially-crafted compressed stream could trigger an overflow. An attacker could create such a stream that would cause a linked application to crash if opened by a user.
The updated packages are provided to protect against this flaw. The Corporate Server 2.1 product is not affected by this vulnerability.
Updated mozilla-firefox packages are available for Mandriva Linux 10.2
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Mandriva Linux Security Update Advisory
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Package name: mozilla-firefox
Advisory ID: MDKSA-2005:120-1
Date: July 22nd, 2005
Original Advisory Date: July 13th, 2005
Affected versions: 10.2
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Problem Description:
A number of vulnerabilities were reported and fixed in Firefox 1.0.5 and Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
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Mandriva Linux Security Update Advisory
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Package name: mozilla-firefox
Advisory ID: MDKSA-2005:120-1
Date: July 22nd, 2005
Original Advisory Date: July 13th, 2005
Affected versions: 10.2
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Problem Description:
A number of vulnerabilities were reported and fixed in Firefox 1.0.5 and Mozilla 1.7.9. The following vulnerabilities have been backported and patched for this update:
A ClamAV update is available for Mandriva Linux
_______________________________________________________________________
Mandriva Linux Update Advisory
_______________________________________________________________________
Package name: clamav
Advisory ID: MDKA-2005:035
Date: July 22nd, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
______________________________________________________________________
Problem Description:
Clamav is being updated to 0.86.1 for all supported versions in order to provide compatibility with the latest virus definitions.
_______________________________________________________________________
Mandriva Linux Update Advisory
_______________________________________________________________________
Package name: clamav
Advisory ID: MDKA-2005:035
Date: July 22nd, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
______________________________________________________________________
Problem Description:
Clamav is being updated to 0.86.1 for all supported versions in order to provide compatibility with the latest virus definitions.
Updated shorewall packages are available for Mandriva Linux
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: shorewall
Advisory ID: MDKSA-2005:123
Date: July 20th, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
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Problem Description:
A vulnerability was discovered in all versions of shorewall where a client accepted by MAC address filtering is able to bypass any other rule. If MACLIST_TTL is set to a value greater than 0 or MACLIST_DISPOSITION is set to ACCEPT in shorewall.conf, and a client is positively identified through its MAC address, it bypasses all other policies and rules in place, gaining access to all open services on the firewall.
Shorewall 2.0.17 is provided which fixes this issue.
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: shorewall
Advisory ID: MDKSA-2005:123
Date: July 20th, 2005
Affected versions: 10.0, 10.1, 10.2, Corporate 3.0,
Multi Network Firewall 2.0
______________________________________________________________________
Problem Description:
A vulnerability was discovered in all versions of shorewall where a client accepted by MAC address filtering is able to bypass any other rule. If MACLIST_TTL is set to a value greater than 0 or MACLIST_DISPOSITION is set to ACCEPT in shorewall.conf, and a client is positively identified through its MAC address, it bypasses all other policies and rules in place, gaining access to all open services on the firewall.
Shorewall 2.0.17 is provided which fixes this issue.
Updated kdelibs packages has been released for Mandriva Linux
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: kdelibs
Advisory ID: MDKSA-2005:122
Date: July 20th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
______________________________________________________________________
Problem Description:
The Kate and Kwrite programs create a file backup before saving a modified file. These backup files are created with default system permissions, even if the original file had more strict permissions set.
The updated packages have been patched to address this issue.
_______________________________________________________________________
Mandriva Linux Security Update Advisory
_______________________________________________________________________
Package name: kdelibs
Advisory ID: MDKSA-2005:122
Date: July 20th, 2005
Affected versions: 10.1, 10.2, Corporate 3.0
______________________________________________________________________
Problem Description:
The Kate and Kwrite programs create a file backup before saving a modified file. These backup files are created with default system permissions, even if the original file had more strict permissions set.
The updated packages have been patched to address this issue.
