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RHSA-2009:1580-02 Moderate: httpd security update
Posted by Bob on: 11/11/2009 11:20 PM [ Print | 0 comment(s) ]
A new update is available for Red Hat Enterprise Linux. Here the announcement:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: httpd security update
Advisory ID: RHSA-2009:1580-02
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1580.html
Issue date: 2009-11-11
CVE Names: CVE-2009-1891 CVE-2009-3094 CVE-2009-3095
CVE-2009-3555
=====================================================================
1. Summary:
Updated httpd packages that fix multiple security issues are now available
for Red Hat Enterprise Linux 4.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
3. Description:
The Apache HTTP Server is a popular Web server.
A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure
Sockets Layer) protocols handle session renegotiation. A man-in-the-middle
attacker could use this flaw to prefix arbitrary plain text to a client's
session (for example, an HTTPS connection to a website). This could force
the server to process an attacker's request as if authenticated using the
victim's credentials. This update partially mitigates this flaw for SSL
sessions to HTTP servers using mod_ssl by rejecting client-requested
renegotiation. (CVE-2009-3555)
Note: This update does not fully resolve the issue for HTTPS servers. An
attack is still possible in configurations that require a server-initiated
renegotiation. Refer to the following Knowledgebase article for further
information: http://kbase.redhat.com/faq/docs/DOC-20491
A denial of service flaw was found in the Apache mod_deflate module. This
module continued to compress large files until compression was complete,
even if the network connection that requested the content was closed before
compression completed. This would cause mod_deflate to consume large
amounts of CPU if mod_deflate was enabled for a large file. (CVE-2009-1891)
A NULL pointer dereference flaw was found in the Apache mod_proxy_ftp
module. A malicious FTP server to which requests are being proxied could
use this flaw to crash an httpd child process via a malformed reply to the
EPSV or PASV commands, resulting in a limited denial of service.
(CVE-2009-3094)
A second flaw was found in the Apache mod_proxy_ftp module. In a reverse
proxy configuration, a remote attacker could use this flaw to bypass
intended access restrictions by creating a carefully-crafted HTTP
Authorization header, allowing the attacker to send arbitrary commands to
the FTP server. (CVE-2009-3095)
All httpd users should upgrade to these updated packages, which contain
backported patches to correct these issues. After installing the updated
packages, the httpd daemon must be restarted for the update to take effect.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
509125 - CVE-2009-1891 httpd: possible temporary DoS (CPU consumption) in mod_deflate
521619 - CVE-2009-3094 httpd: NULL pointer defer in mod_proxy_ftp caused by crafted EPSV and PASV reply
522209 - CVE-2009-3095 httpd: mod_proxy_ftp FTP command injection via Authorization HTTP header
533125 - CVE-2009-3555 TLS: MITM attacks via session renegotiation
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
ppc:
httpd-2.0.52-41.ent.6.ppc.rpm
httpd-debuginfo-2.0.52-41.ent.6.ppc.rpm
httpd-devel-2.0.52-41.ent.6.ppc.rpm
httpd-manual-2.0.52-41.ent.6.ppc.rpm
httpd-suexec-2.0.52-41.ent.6.ppc.rpm
mod_ssl-2.0.52-41.ent.6.ppc.rpm
s390:
httpd-2.0.52-41.ent.6.s390.rpm
httpd-debuginfo-2.0.52-41.ent.6.s390.rpm
httpd-devel-2.0.52-41.ent.6.s390.rpm
httpd-manual-2.0.52-41.ent.6.s390.rpm
httpd-suexec-2.0.52-41.ent.6.s390.rpm
mod_ssl-2.0.52-41.ent.6.s390.rpm
s390x:
httpd-2.0.52-41.ent.6.s390x.rpm
httpd-debuginfo-2.0.52-41.ent.6.s390x.rpm
httpd-devel-2.0.52-41.ent.6.s390x.rpm
httpd-manual-2.0.52-41.ent.6.s390x.rpm
httpd-suexec-2.0.52-41.ent.6.s390x.rpm
mod_ssl-2.0.52-41.ent.6.s390x.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1891
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3094
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3095
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
http://www.redhat.com/security/updates/classification/#moderate
http://kbase.redhat.com/faq/docs/DOC-20491
8. Contact:
The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2009 Red Hat, Inc.
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Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: httpd security update
Advisory ID: RHSA-2009:1580-02
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1580.html
Issue date: 2009-11-11
CVE Names: CVE-2009-1891 CVE-2009-3094 CVE-2009-3095
CVE-2009-3555
=====================================================================
1. Summary:
Updated httpd packages that fix multiple security issues are now available
for Red Hat Enterprise Linux 4.
This update has been rated as having moderate security impact by the Red
Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
3. Description:
The Apache HTTP Server is a popular Web server.
A flaw was found in the way the TLS/SSL (Transport Layer Security/Secure
Sockets Layer) protocols handle session renegotiation. A man-in-the-middle
attacker could use this flaw to prefix arbitrary plain text to a client's
session (for example, an HTTPS connection to a website). This could force
the server to process an attacker's request as if authenticated using the
victim's credentials. This update partially mitigates this flaw for SSL
sessions to HTTP servers using mod_ssl by rejecting client-requested
renegotiation. (CVE-2009-3555)
Note: This update does not fully resolve the issue for HTTPS servers. An
attack is still possible in configurations that require a server-initiated
renegotiation. Refer to the following Knowledgebase article for further
information: http://kbase.redhat.com/faq/docs/DOC-20491
A denial of service flaw was found in the Apache mod_deflate module. This
module continued to compress large files until compression was complete,
even if the network connection that requested the content was closed before
compression completed. This would cause mod_deflate to consume large
amounts of CPU if mod_deflate was enabled for a large file. (CVE-2009-1891)
A NULL pointer dereference flaw was found in the Apache mod_proxy_ftp
module. A malicious FTP server to which requests are being proxied could
use this flaw to crash an httpd child process via a malformed reply to the
EPSV or PASV commands, resulting in a limited denial of service.
(CVE-2009-3094)
A second flaw was found in the Apache mod_proxy_ftp module. In a reverse
proxy configuration, a remote attacker could use this flaw to bypass
intended access restrictions by creating a carefully-crafted HTTP
Authorization header, allowing the attacker to send arbitrary commands to
the FTP server. (CVE-2009-3095)
All httpd users should upgrade to these updated packages, which contain
backported patches to correct these issues. After installing the updated
packages, the httpd daemon must be restarted for the update to take effect.
4. Solution:
Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.
This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259
5. Bugs fixed (http://bugzilla.redhat.com/):
509125 - CVE-2009-1891 httpd: possible temporary DoS (CPU consumption) in mod_deflate
521619 - CVE-2009-3094 httpd: NULL pointer defer in mod_proxy_ftp caused by crafted EPSV and PASV reply
522209 - CVE-2009-3095 httpd: mod_proxy_ftp FTP command injection via Authorization HTTP header
533125 - CVE-2009-3555 TLS: MITM attacks via session renegotiation
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
ppc:
httpd-2.0.52-41.ent.6.ppc.rpm
httpd-debuginfo-2.0.52-41.ent.6.ppc.rpm
httpd-devel-2.0.52-41.ent.6.ppc.rpm
httpd-manual-2.0.52-41.ent.6.ppc.rpm
httpd-suexec-2.0.52-41.ent.6.ppc.rpm
mod_ssl-2.0.52-41.ent.6.ppc.rpm
s390:
httpd-2.0.52-41.ent.6.s390.rpm
httpd-debuginfo-2.0.52-41.ent.6.s390.rpm
httpd-devel-2.0.52-41.ent.6.s390.rpm
httpd-manual-2.0.52-41.ent.6.s390.rpm
httpd-suexec-2.0.52-41.ent.6.s390.rpm
mod_ssl-2.0.52-41.ent.6.s390.rpm
s390x:
httpd-2.0.52-41.ent.6.s390x.rpm
httpd-debuginfo-2.0.52-41.ent.6.s390x.rpm
httpd-devel-2.0.52-41.ent.6.s390x.rpm
httpd-manual-2.0.52-41.ent.6.s390x.rpm
httpd-suexec-2.0.52-41.ent.6.s390x.rpm
mod_ssl-2.0.52-41.ent.6.s390x.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/httpd-2.0.52-41.ent.6.src.rpm
i386:
httpd-2.0.52-41.ent.6.i386.rpm
httpd-debuginfo-2.0.52-41.ent.6.i386.rpm
httpd-devel-2.0.52-41.ent.6.i386.rpm
httpd-manual-2.0.52-41.ent.6.i386.rpm
httpd-suexec-2.0.52-41.ent.6.i386.rpm
mod_ssl-2.0.52-41.ent.6.i386.rpm
ia64:
httpd-2.0.52-41.ent.6.ia64.rpm
httpd-debuginfo-2.0.52-41.ent.6.ia64.rpm
httpd-devel-2.0.52-41.ent.6.ia64.rpm
httpd-manual-2.0.52-41.ent.6.ia64.rpm
httpd-suexec-2.0.52-41.ent.6.ia64.rpm
mod_ssl-2.0.52-41.ent.6.ia64.rpm
x86_64:
httpd-2.0.52-41.ent.6.x86_64.rpm
httpd-debuginfo-2.0.52-41.ent.6.x86_64.rpm
httpd-devel-2.0.52-41.ent.6.x86_64.rpm
httpd-manual-2.0.52-41.ent.6.x86_64.rpm
httpd-suexec-2.0.52-41.ent.6.x86_64.rpm
mod_ssl-2.0.52-41.ent.6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package
7. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1891
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3094
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3095
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3555
http://www.redhat.com/security/updates/classification/#moderate
http://kbase.redhat.com/faq/docs/DOC-20491
8. Contact:
The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2009 Red Hat, Inc.
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