SB2012122002 - Input validation error in Squid-cache Squid

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2012-5643)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials.

Remediation

Install update from vendor's website.

References

• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00052.html
• http://lists.opensuse.org/opensuse-updates/2013-01/msg00075.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html
• http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html
• http://openwall.com/lists/oss-security/2012/12/17/4
• http://rhn.redhat.com/errata/RHSA-2013-0505.html
• http://secunia.com/advisories/52024
• http://secunia.com/advisories/54839
• http://ubuntu.com/usn/usn-1713-1
• http://www.debian.org/security/2013/dsa-2631
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:129
• http://www.securitytracker.com/id?1027890
• http://www.squid-cache.org/Advisories/SQUID-2012_1.txt
• http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch
• http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch
• https://bugs.gentoo.org/show_bug.cgi?id=447596
• https://bugzilla.redhat.com/show_bug.cgi?id=887962
• https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368