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CVE-2011-3205

Status Candidate

Overview

Buffer overflow in the gopherToHTML function in gopher.cc in the Gopher reply parser in Squid 3.0 before 3.0.STABLE26, 3.1 before 3.1.15, and 3.2 before 3.2.0.11 allows remote Gopher servers to cause a denial of service (memory corruption and daemon restart) or possibly have unspecified other impact via a long line in a response. NOTE: This issue exists because of a CVE-2005-0094 regression.

Related Files

Gentoo Linux Security Advisory 201110-24
Posted Oct 26, 2011
Authored by Gentoo | Site security.gentoo.org

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.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2009-2621, CVE-2009-2622, CVE-2009-2855, CVE-2010-0308, CVE-2010-0639, CVE-2010-2951, CVE-2010-3072, CVE-2011-3205
SHA-256 | 81093ea2eca3730ec409b6fd39ca3a3cb38e02d4ea76813b10e63d559aef7276
Red Hat Security Advisory 2011-1293-01
Posted Sep 14, 2011
Authored by Red Hat | Site access.redhat.com

Red 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.

tags | advisory, remote, web, overflow, arbitrary
systems | linux, redhat
advisories | CVE-2011-3205
SHA-256 | ea39bfc892a77fdbe8a6f552fe2926423db15874fcc35fa5cc0dfca4f6715324
Debian Security Advisory 2304-1
Posted Sep 12, 2011
Authored by Debian | Site debian.org

Debian 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.

tags | advisory, web, denial of service, overflow, arbitrary
systems | linux, debian
advisories | CVE-2011-3205
SHA-256 | d12e9e5264cc5c0d43a122aee60efae5e71d32773d9be898243e6624918f8fa9
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