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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+<glsa id="200706-05">
+ <title>ClamAV: Multiple Denials of Service</title>
+ <synopsis>
+ ClamAV contains several vulnerabilities leading to a Denial of Service.
+ </synopsis>
+ <product type="ebuild">clamav</product>
+ <announced>2007-06-15</announced>
+ <revised count="01">2007-06-15</revised>
+ <bug>178082</bug>
+ <access>remote, local</access>
+ <affected>
+ <package name="app-antivirus/clamav" auto="yes" arch="*">
+ <unaffected range="ge">0.90.3</unaffected>
+ <vulnerable range="lt">0.90.3</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ ClamAV is a GPL virus scanner.
+ </p>
+ </background>
+ <description>
+ <p>
+ Several vulnerabilities were discovered in ClamAV by various
+ researchers:
+ </p>
+ <ul><li>Victor Stinner (INL) discovered that the OLE2
+ parser may enter in an infinite loop (CVE-2007-2650).</li>
+ <li>A
+ boundary error was also reported by an anonymous researcher in the file
+ unsp.c, which might lead to a buffer overflow (CVE-2007-3023).</li>
+ <li>The file unrar.c contains a heap-based buffer overflow via a
+ modified vm_codesize value from a RAR file (CVE-2007-3123).</li>
+ <li>The RAR parsing engine can be bypassed via a RAR file with a header
+ flag value of 10 (CVE-2007-3122).</li>
+ <li>The cli_gentempstream()
+ function from clamdscan creates temporary files with insecure
+ permissions (CVE-2007-3024).</li>
+ </ul>
+ </description>
+ <impact type="normal">
+ <p>
+ A remote attacker could send a specially crafted file to the scanner,
+ possibly triggering one of the vulnerabilities. The two buffer
+ overflows are reported to only cause Denial of Service. This would lead
+ to a Denial of Service by CPU consumption or a crash of the scanner.
+ The insecure temporary file creation vulnerability could be used by a
+ local user to access sensitive data.
+ </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 "&gt;=app-antivirus/clamav-0.90.3"</code>
+ </resolution>
+ <references>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2650">CVE-2007-2650</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3023">CVE-2007-3023</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3024">CVE-2007-3024</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3122">CVE-2007-3122</uri>
+ <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3123">CVE-2007-3123</uri>
+ </references>
+ <metadata tag="requester" timestamp="2007-06-08T06:17:07Z">
+ jaervosz
+ </metadata>
+ <metadata tag="submitter" timestamp="2007-06-10T18:13:18Z">
+ falco
+ </metadata>
+ <metadata tag="bugReady" timestamp="2007-06-10T18:15:09Z">
+ falco
+ </metadata>
+</glsa>