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GLSA 200805-05 Wireshark: Denial of Service
Posted by Bob on: 05/07/2008 11:40 PM [ Print | 0 comment(s) ]
A new security update has been released for Gentoo Linux - Wireshark: Denial of Service. Here the announcement:
Gentoo Linux Security Advisory GLSA 200805-05
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http://security.gentoo.org/
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Severity: Normal
Title: Wireshark: Denial of Service
Date: May 07, 2008
Bugs: #215276
ID: 200805-05
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Synopsis
========
Multiple Denial of Service vulnerabilities have been discovered in
Wireshark.
Background
==========
Wireshark is a network protocol analyzer with a graphical front-end.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/wireshark lt; 1.0.0 gt;= 1.0.0
Description
===========
Errors exist in:
* the X.509sat dissector because of an uninitialized variable and the
Roofnet dissector because a NULL pointer may be passed to the
g_vsnprintf() function (CVE-2008-1561).
* the LDAP dissector because a NULL pointer may be passed to the
ep_strdup_printf() function (CVE-2008-1562).
* the SCCP dissector because it does not reset a pointer once the
packet has been processed (CVE-2008-1563).
Impact
======
A remote attacker could exploit these vulnerabilities by sending a
malformed packet or enticing a user to read a malformed packet trace
file, causing a Denial of Service.
Workaround
==========
Disable the X.509sat, Roofnet, LDAP, and SCCP dissectors.
Resolution
==========
All Wireshark users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose "gt;=net-analyzer/wireshark-1.0.0"
References
==========
[ 1 ] CVE-2008-1561
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1561
[ 2 ] CVE-2008-1562
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1562
[ 3 ] CVE-2008-1563
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1563
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200805-05.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: Wireshark: Denial of Service
Date: May 07, 2008
Bugs: #215276
ID: 200805-05
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Multiple Denial of Service vulnerabilities have been discovered in
Wireshark.
Background
==========
Wireshark is a network protocol analyzer with a graphical front-end.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-analyzer/wireshark lt; 1.0.0 gt;= 1.0.0
Description
===========
Errors exist in:
* the X.509sat dissector because of an uninitialized variable and the
Roofnet dissector because a NULL pointer may be passed to the
g_vsnprintf() function (CVE-2008-1561).
* the LDAP dissector because a NULL pointer may be passed to the
ep_strdup_printf() function (CVE-2008-1562).
* the SCCP dissector because it does not reset a pointer once the
packet has been processed (CVE-2008-1563).
Impact
======
A remote attacker could exploit these vulnerabilities by sending a
malformed packet or enticing a user to read a malformed packet trace
file, causing a Denial of Service.
Workaround
==========
Disable the X.509sat, Roofnet, LDAP, and SCCP dissectors.
Resolution
==========
All Wireshark users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose "gt;=net-analyzer/wireshark-1.0.0"
References
==========
[ 1 ] CVE-2008-1561
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1561
[ 2 ] CVE-2008-1562
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1562
[ 3 ] CVE-2008-1563
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1563
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200805-05.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
