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authorAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
committerAlec Warner <antarus@scriptkitty.com>2011-03-03 14:17:24 -0800
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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200709-14">
+ <title>ClamAV: Multiple vulnerabilities</title>
+ <synopsis>
+ Vulnerabilities have been discovered in ClamAV allowing remote execution of
+ arbitrary code and Denial of Service attacks.
+ </synopsis>
+ <product type="ebuild">clamav</product>
+ <announced>September 20, 2007</announced>
+ <revised>September 20, 2007: 01</revised>
+ <bug>189912</bug>
+ <access>remote</access>
+ <affected>
+ <package name="app-antivirus/clamav" auto="yes" arch="*">
+ <unaffected range="ge">0.91.2</unaffected>
+ <vulnerable range="lt">0.91.2</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX,
+ designed especially for e-mail scanning on mail gateways.
+ </p>
+ </background>
+ <description>
+ <p>
+ Nikolaos Rangos discovered a vulnerability in ClamAV which exists
+ because the recipient address extracted from email messages is not
+ properly sanitized before being used in a call to "popen()" when
+ executing sendmail (CVE-2007-4560). Also, NULL-pointer dereference
+ errors exist within the "cli_scanrtf()" function in libclamav/rtf.c and
+ Stefanos Stamatis discovered a NULL-pointer dereference vulnerability
+ within the "cli_html_normalise()" function in libclamav/htmlnorm.c
+ (CVE-2007-4510).
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ The unsanitized recipient address can be exploited to execute arbitrary
+ code with the privileges of the clamav-milter process by sending an
+ email with a specially crafted recipient address to the affected
+ system. Also, the NULL-pointer dereference errors can be exploited to
+ crash ClamAV. Successful exploitation of the latter vulnerability
+ requires that clamav-milter is started with the "black hole" mode
+ activated, which is not enabled by default.
+ </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 &quot;&gt;=app-antivirus/clamav-0.91.2&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4510">CVE-2007-4510</uri>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4560">CVE-2007-4560</uri>
+ </references>
+ <metadata tag="submitter" timestamp="Fri, 14 Sep 2007 22:57:24 +0000">
+ mfleming
+ </metadata>
+ <metadata tag="bugReady" timestamp="Sat, 15 Sep 2007 12:07:22 +0000">
+ p-y
+ </metadata>
+</glsa>