Gentoo Linux Security Advisory 201110-24 - Multiple vulnerabilities were found in Squid allowing attackers to execute arbitrary code or cause a denial of service. Versions less than 3.1.15 are affected.
81093ea2eca3730ec409b6fd39ca3a3cb38e02d4ea76813b10e63d559aef7276Red Hat Security Advisory 2011-1293-01 - Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. A buffer overflow flaw was found in the way Squid parsed replies from remote Gopher servers. A remote user allowed to send Gopher requests to a Squid proxy could possibly use this flaw to cause the squid child process to crash or execute arbitrary code with the privileges of the squid user, by making Squid perform a request to an attacker-controlled Gopher server. Users of squid should upgrade to this updated package, which contains a backported patch to correct this issue. After installing this update, the squid service will be restarted automatically.
ea39bfc892a77fdbe8a6f552fe2926423db15874fcc35fa5cc0dfca4f6715324Debian Linux Security Advisory 2304-1 - Ben Hawkes discovered that squid3, a full featured Web Proxy cache (HTTP proxy), is vulnerable to a buffer overflow when processing gopher server replies. An attacker can exploit this flaw by connecting to a gopher server that returns lines longer than 4096 bytes. This may result in denial of service conditions (daemon crash) or the possibly the execution of arbitrary code with rights of the squid daemon.
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