DSA-2631-1 squid3 -- denial of service

Related Vulnerabilities: CVE-2012-5643   CVE-2013-0189  

Squid3, a fully featured Web proxy cache, is prone to a denial of service attack due to memory consumption caused by memory leaks in cachemgr.cgi: CVE-2012-5643 squid's cachemgr.cgi was vulnerable to excessive resource use. A remote attacker could exploit this flaw to perform a denial of service attack on the server and other hosted services. CVE-2013-0189 The original patch for CVE-2012-5643 was incomplete. A remote attacker still could exploit this flaw to perform a denial of service attack. For the stable distribution (squeeze), these problems have been fixed in version 3.1.6-1.2+squeeze3. For the testing distribution (wheezy), these problems have been fixed in version 3.1.20-2.1. For the unstable distribution (sid), these problems have been fixed in version 3.1.20-2.1. We recommend that you upgrade your squid3 packages.

Debian Security Advisory

DSA-2631-1 squid3 -- denial of service

Date Reported:
24 Feb 2013
Affected Packages:
squid3
Vulnerable:
Yes
Security database references:
In the Debian bugtracking system: Bug 696187.
In Mitre's CVE dictionary: CVE-2012-5643, CVE-2013-0189.
More information:

Squid3, a fully featured Web proxy cache, is prone to a denial of service attack due to memory consumption caused by memory leaks in cachemgr.cgi:

  • CVE-2012-5643

    squid's cachemgr.cgi was vulnerable to excessive resource use. A remote attacker could exploit this flaw to perform a denial of service attack on the server and other hosted services.

  • CVE-2013-0189

    The original patch for CVE-2012-5643 was incomplete. A remote attacker still could exploit this flaw to perform a denial of service attack.

For the stable distribution (squeeze), these problems have been fixed in version 3.1.6-1.2+squeeze3.

For the testing distribution (wheezy), these problems have been fixed in version 3.1.20-2.1.

For the unstable distribution (sid), these problems have been fixed in version 3.1.20-2.1.

We recommend that you upgrade your squid3 packages.