<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200501-46"> <title>ClamAV: Multiple issues</title> <synopsis> ClamAV contains two vulnerabilities that could lead to Denial of Service and evasion of virus scanning. </synopsis> <product type="ebuild">clamav</product> <announced>2005-01-31</announced> <revised count="02">2006-05-22</revised> <bug>78656</bug> <bug>79194</bug> <access>remote</access> <affected> <package name="app-antivirus/clamav" auto="yes" arch="*"> <unaffected range="ge">0.81</unaffected> <vulnerable range="le">0.80</vulnerable> </package> </affected> <background> <p> ClamAV is an antivirus toolkit. It includes a multi-threaded daemon and a command line scanner. </p> </background> <description> <p> ClamAV fails to properly scan ZIP files with special headers (CAN-2005-0133) and base64 encoded images in URLs. </p> </description> <impact type="normal"> <p> By sending a base64 encoded image file in a URL an attacker could evade virus scanning. By sending a specially-crafted ZIP file an attacker could cause a Denial of Service by crashing the clamd daemon. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All ClamAV users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.81"</code> </resolution> <references> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0133">CAN-2005-0133</uri> <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-0218">CVE-2005-0218</uri> <uri link="https://sourceforge.net/forum/forum.php?forum_id=440649">ClamAV Release Announcement</uri> <uri link="https://secunia.com/advisories/13900/">Secunia SA13900</uri> </references> <metadata tag="requester" timestamp="2005-01-27T15:17:33Z"> koon </metadata> <metadata tag="submitter" timestamp="2005-01-27T21:31:06Z"> jaervosz </metadata> <metadata tag="bugReady" timestamp="2005-01-31T09:07:27Z"> koon </metadata> </glsa>