| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200506-23"> |
| <title>Clam AntiVirus: Denial of Service vulnerability</title> |
| <synopsis> |
| Clam AntiVirus is vulnerable to a Denial of Service attack when processing |
| certain Quantum archives. |
| </synopsis> |
| <product type="ebuild">clamav</product> |
| <announced>June 27, 2005</announced> |
| <revised>May 22, 2006: 02</revised> |
| <bug>96960</bug> |
| <access>remote</access> |
| <affected> |
| <package name="app-antivirus/clamav" auto="yes" arch="*"> |
| <unaffected range="ge">0.86.1</unaffected> |
| <vulnerable range="lt">0.86.1</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| Clam AntiVirus is a GPL anti-virus toolkit, designed for integration |
| with mail servers to perform attachment scanning. Clam AntiVirus also |
| provides a command line scanner and a tool for fetching updates of the |
| virus database. |
| </p> |
| </background> |
| <description> |
| <p> |
| Andrew Toller and Stefan Kanthak discovered that a flaw in libmspack's |
| Quantum archive decompressor renders Clam AntiVirus vulnerable to a |
| Denial of Service attack. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| A remote attacker could exploit this vulnerability to cause a Denial of |
| Service by sending a specially crafted Quantum archive to the server. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All Clam AntiVirus users should upgrade to the latest available |
| version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.86.1"</code> |
| </resolution> |
| <references> |
| <uri link="http://sourceforge.net/project/shownotes.php?release_id=337279">Clam AntiVirus Release Notes</uri> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2056">CVE-2005-2056</uri> |
| </references> |
| <metadata tag="requester" timestamp="Fri, 24 Jun 2005 22:27:44 +0000"> |
| jaervosz |
| </metadata> |
| <metadata tag="submitter" timestamp="Fri, 24 Jun 2005 23:09:26 +0000"> |
| DerCorny |
| </metadata> |
| <metadata tag="bugReady" timestamp="Sun, 26 Jun 2005 16:53:15 +0000"> |
| jaervosz |
| </metadata> |
| </glsa> |