<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201701-44"> <title>CVS: Heap-based overflow</title> <synopsis>A heap-based buffer overflow in CVS might allow remote attackers to execute arbitrary code. </synopsis> <product type="ebuild">cvs</product> <announced>2017-01-19</announced> <revised count="01">2017-01-19</revised> <bug>402593</bug> <access>remote</access> <affected> <package name="dev-vcs/cvs" auto="yes" arch="*"> <unaffected range="ge">1.12.12-r11</unaffected> <vulnerable range="lt">1.12.12-r11</vulnerable> </package> </affected> <background> <p>CVS (Concurrent Versions System) is an open-source network-transparent version control system. It contains both a client utility and a server. </p> </background> <description> <p>A heap-based buffer overflow was discovered in the proxy_connect function in src/client.c in CVS. </p> </description> <impact type="normal"> <p>An attacker, utilizing a remote HTTP proxy server, could cause a Denial of Service condition or possibly execute arbitrary code via a crafted HTTP response. </p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All CVS users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=dev-vcs/cvs-1.12.12-r11" </code> </resolution> <references> <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0804">CVE-2012-0804</uri> </references> <metadata tag="requester" timestamp="2017-01-18T08:43:18Z">b-man</metadata> <metadata tag="submitter" timestamp="2017-01-19T19:06:48Z">b-man</metadata> </glsa>