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Test ID:1.3.6.1.4.1.25623.1.0.70724
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 2405-1 (apache2)
Summary:Debian Security Advisory DSA 2405-1 (apache2)
Description:Description:
The remote host is missing an update to apache2
announced via advisory DSA 2405-1.

Several vulnerabilities have been found in the Apache HTTPD Server:

CVE-2011-3607:

An integer overflow in ap_pregsub() could allow local attackers to
execute arbitrary code at elevated privileges via crafted .htaccess
files.

CVE-2011-3368 CVE-2011-3639 CVE-2011-4317:

The Apache HTTP Server did not properly validate the request URI for
proxied requests. In certain reverse proxy configurations using the
ProxyPassMatch directive or using the RewriteRule directive with the
[P] flag, a remote attacker could make the proxy connect to an
arbitrary server. The could allow the attacker to access internal
servers that are not otherwise accessible from the outside.

The three CVE ids denote slightly different variants of the same
issue.

Note that, even with this issue fixed, it is the responsibility of
the administrator to ensure that the regular expression replacement
pattern for the target URI does not allow a client to append arbitrary
strings to the host or port parts of the target URI. For example, the
configuration

ProxyPassMatch ^/mail(.*) http://internal-host$1

is still insecure and should be replaced by one of the following
configurations:

ProxyPassMatch ^/mail(/.*) http://internal-host$1
ProxyPassMatch ^/mail/(.*) http://internal-host/$1

CVE-2012-0031:

An apache2 child process could cause the parent process to crash
during shutdown. This is a violation of the privilege separation
between the apache2 processes and could potentially be used to worsen
the impact of other vulnerabilities.

CVE-2012-0053:

The response message for error code 400 (bad request) could be used to
expose httpOnly cookies. This could allow a remote attacker using
cross site scripting to steal authentication cookies.


For the oldstable distribution (lenny), these problems have been fixed in
version apache2 2.2.9-10+lenny12.

For the stable distribution (squeeze), these problems have been fixed in
version apache2 2.2.16-6+squeeze6

For the testing distribution (wheezy), these problems will be fixed in
version 2.2.22-1.

For the unstable distribution (sid), these problems have been fixed in
version 2.2.22-1.

We recommend that you upgrade your apache2 packages.

Solution:
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202405-1


CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-3607
http://archives.neohapsis.com/archives/fulldisclosure/2011-11/0023.html
http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/
http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
HPdes Security Advisory: HPSBMU02786
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
HPdes Security Advisory: SSRT100877
HPdes Security Advisory: HPSBOV02822
http://marc.info/?l=bugtraq&m=134987041210674&w=2
HPdes Security Advisory: SSRT100966
http://www.mandriva.com/security/advisories?name=MDVSA-2012:003
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150
RedHat Security Advisories: RHSA-2012:0128
http://rhn.redhat.com/errata/RHSA-2012-0128.html
BugTraq ID: 50494
http://www.securityfocus.com/bid/50494
http://www.osvdb.org/76744
http://securitytracker.com/id?1026267
http://secunia.com/advisories/45793
http://secunia.com/advisories/48551
XForce ISS Database: apache-http-appregsub-bo(71093)
http://xforce.iss.net/xforce/xfdb/71093
Common Vulnerability Exposure (CVE) ID: CVE-2011-3368
http://www.exploit-db.com/exploits/17969
http://seclists.org/fulldisclosure/2011/Oct/232
http://seclists.org/fulldisclosure/2011/Oct/273
http://web.archiveorange.com/archive/v/ZyS0hzECD5zzb2NkvQlt
http://www.contextis.com/research/blog/reverseproxybypass/
AIX APAR: SE49723
http://www-01.ibm.com/support/docview.wss?uid=nas2064c7e5f53452ff686257927003c8d42
AIX APAR: SE49724
http://www-01.ibm.com/support/docview.wss?uid=nas2b7c57b1f1035675186257927003c8d48
http://www.mandriva.com/security/advisories?name=MDVSA-2011:144
http://www.redhat.com/support/errata/RHSA-2011-1391.html
http://www.redhat.com/support/errata/RHSA-2011-1392.html
SuSE Security Announcement: SUSE-SU-2011:1229 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00011.html
SuSE Security Announcement: openSUSE-SU-2013:0243 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-02/msg00009.html
SuSE Security Announcement: openSUSE-SU-2013:0248 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-02/msg00012.html
BugTraq ID: 49957
http://www.securityfocus.com/bid/49957
http://osvdb.org/76079
http://www.securitytracker.com/id?1026144
http://secunia.com/advisories/46288
http://secunia.com/advisories/46414
XForce ISS Database: apache-modproxy-information-disclosure(70336)
http://xforce.iss.net/xforce/xfdb/70336
Common Vulnerability Exposure (CVE) ID: CVE-2011-3639
Common Vulnerability Exposure (CVE) ID: CVE-2011-4317
https://community.qualys.com/blogs/securitylabs/2011/11/23/apache-reverse-proxy-bypass-issue
http://www.securitytracker.com/id?1026353
Common Vulnerability Exposure (CVE) ID: CVE-2012-0031
http://www.halfdog.net/Security/2011/ApacheScoreboardInvalidFreeOnShutdown/
SuSE Security Announcement: openSUSE-SU-2012:0314 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00026.html
BugTraq ID: 51407
http://www.securityfocus.com/bid/51407
http://secunia.com/advisories/47410
Common Vulnerability Exposure (CVE) ID: CVE-2012-0053
HPdes Security Advisory: HPSBST02848
http://marc.info/?l=bugtraq&m=136441204617335&w=2
HPdes Security Advisory: SSRT101112
BugTraq ID: 51706
http://www.securityfocus.com/bid/51706
CopyrightCopyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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