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authorRepository QA checks <repo-qa-checks@gentoo.org>2016-04-14 08:02:22 +0000
committerRepository QA checks <repo-qa-checks@gentoo.org>2016-04-14 08:02:22 +0000
commit670f14532cf81a4e02d989bcb1254e1e48bcb4e4 (patch)
tree68ef72d9e802ec198860f87b94402f4ca3aae287 /metadata/glsa/glsa-200405-03.xml
parentAdd 'metadata/dtd/' from commit 'f8325042cda078a7fa29be8dcb9a092219332112' (diff)
parentAdd GLSA 201604-03 - Fix (diff)
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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200405-03">
+ <title>ClamAV VirusEvent parameter vulnerability</title>
+ <synopsis>
+ With a specific configuration (using %f in the VirusEvent parameter), Clam
+ AntiVirus is vulnerable to an attack allowing execution of arbitrary
+ commands.
+ </synopsis>
+ <product type="ebuild">ClamAV</product>
+ <announced>May 11, 2004</announced>
+ <revised>May 22, 2006: 02</revised>
+ <bug>46264</bug>
+ <access>remote</access>
+ <affected>
+ <package name="app-antivirus/clamav" auto="yes" arch="*">
+ <unaffected range="ge">0.70</unaffected>
+ <vulnerable range="lt">0.70</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ From <uri link="http://www.clamav.net/">http://www.clamav.net/</uri> :
+ </p>
+ <p>
+ "Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose
+ of this software is the integration with mail servers (attachment
+ scanning). The package provides a flexible and scalable multi-threaded
+ daemon, a command line scanner, and a tool for automatic updating via
+ Internet. The programs are based on a shared library distributed with
+ the Clam AntiVirus package, which you can use with your own software.
+ Most importantly, the virus database is kept up to date."
+ </p>
+ </background>
+ <description>
+ <p>
+ The VirusEvent parameter in the clamav.conf configuration file allows
+ to specify a system command to run whenever a virus is found. This
+ system command can make use of the "%f" parameter which is replaced by
+ the name of the file infected. The name of the file scanned is under
+ control of the attacker and is not sufficiently checked. Version 0.70
+ of clamav disables the use of the "%f" parameter.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ Sending a virus with a malicious file name can result in execution of
+ arbirary system commands with the rights of the antivirus process.
+ Since clamav is often associated to mail servers for email scanning,
+ this attack can be used remotely.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ You should not use the "%f" parameter in your VirusEvent configuration.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All users of Clam AntiVirus should upgrade to the latest stable
+ version:
+ </p>
+ <code>
+ # emerge sync
+
+ # emerge -pv &quot;&gt;=app-antivirus/clamav-0.70&quot;
+ # emerge &quot;&gt;=app-antivirus/clamav-0.70&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1876">CVE-2004-1876</uri>
+ </references>
+ <metadata tag="submitter">
+ koon
+ </metadata>
+</glsa>