- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200606-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Low Title: Pound: HTTP request smuggling Date: June 07, 2006 Bugs: #118541 ID: 200606-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Pound is vulnerable to HTTP request smuggling, which could be exploited to bypass security restrictions or poison web caches. Background ========== Pound is a reverse proxy, load balancer and HTTPS front-end. It allows to distribute the load on several web servers and offers a SSL wrapper for web servers that do not support SSL directly. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 www-servers/pound < 2.0.5 >= 2.0.5 Description =========== Pound fails to handle HTTP requests with conflicting "Content-Length" and "Transfer-Encoding" headers correctly. Impact ====== An attacker could exploit this vulnerability by sending HTTP requests with specially crafted "Content-Length" and "Transfer-Encoding" headers to bypass certain security restrictions or to poison the web proxy cache. Workaround ========== There is no known workaround at this time. Resolution ========== All Pound users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/pound-2.0.5" References ========== [ 1 ] CVE-2005-3751 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3751 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200606-05.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@xxxxxxxxxx or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2006 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5
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