<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200606-05"> <title>Pound: HTTP request smuggling</title> <synopsis> Pound is vulnerable to HTTP request smuggling, which could be exploited to bypass security restrictions or poison web caches. </synopsis> <product type="ebuild">pound</product> <announced>2006-06-07</announced> <revised count="03">2006-11-24</revised> <bug>118541</bug> <access>remote</access> <affected> <package name="www-servers/pound" auto="yes" arch="*"> <unaffected range="ge">2.0.5</unaffected> <unaffected range="rge">1.10</unaffected> <unaffected range="rge">1.9.4</unaffected> <vulnerable range="lt">2.0.5</vulnerable> </package> </affected> <background> <p> 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. </p> </background> <description> <p> Pound fails to handle HTTP requests with conflicting "Content-Length" and "Transfer-Encoding" headers correctly. </p> </description> <impact type="low"> <p> 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. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All Pound users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose www-servers/pound</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3751">CVE-2005-3751</uri> </references> <metadata tag="requester" timestamp="2006-05-25T15:47:49Z"> DerCorny </metadata> <metadata tag="bugReady" timestamp="2006-05-25T18:03:55Z"> koon </metadata> <metadata tag="submitter" timestamp="2006-05-29T16:09:23Z"> DerCorny </metadata> </glsa>