<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200605-03"> <title>ClamAV: Buffer overflow in Freshclam</title> <synopsis> Freshclam is vulnerable to a buffer overflow that could lead to execution of arbitrary code. </synopsis> <product type="ebuild">clamav</product> <announced>2006-05-02</announced> <revised count="01">2006-05-02</revised> <bug>131791</bug> <access>remote</access> <affected> <package name="app-antivirus/clamav" auto="yes" arch="*"> <unaffected range="ge">0.88.2</unaffected> <vulnerable range="lt">0.88.2</vulnerable> </package> </affected> <background> <p> ClamAV is a GPL virus scanner. Freshclam is a utility to download virus signature updates. </p> </background> <description> <p> Ulf Harnhammar and an anonymous German researcher discovered that Freshclam fails to check the size of the header data returned by a webserver. </p> </description> <impact type="normal"> <p> By enticing a user to connect to a malicious webserver an attacker could cause the execution of arbitrary code. </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-0.88.2"</code> </resolution> <references> <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1989">CVE-2006-1989</uri> </references> <metadata tag="submitter" timestamp="2006-05-02T04:03:38Z"> jaervosz </metadata> <metadata tag="bugReady" timestamp="2006-05-02T04:54:25Z"> jaervosz </metadata> </glsa>