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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200804-02">
<title>bzip2: Denial of Service</title>
<synopsis>
A buffer overread vulnerability has been discovered in Bzip2.
</synopsis>
<product type="ebuild">bzip2</product>
<announced>April 02, 2008</announced>
<revised>April 02, 2008: 01</revised>
<bug>213820</bug>
<access>remote</access>
<affected>
<package name="app-arch/bzip2" auto="yes" arch="*">
<unaffected range="ge">1.0.5</unaffected>
<vulnerable range="lt">1.0.5</vulnerable>
</package>
</affected>
<background>
<p>
bzip2 is a free and open source lossless data compression program.
</p>
</background>
<description>
<p>
The Oulu University discovered that bzip2 does not properly check
offsets provided by the bzip2 file, leading to a buffer overread.
</p>
</description>
<impact type="normal">
<p>
Remote attackers can entice a user or automated system to open a
specially crafted file that triggers a buffer overread, causing a
Denial of Service. libbz2 and programs linking against it are also
affected.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All bzip2 users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/bzip2-1.0.5"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1372">CVE-2008-1372</uri>
</references>
<metadata tag="requester" timestamp="Fri, 21 Mar 2008 02:17:50 +0000">
rbu
</metadata>
<metadata tag="submitter" timestamp="Fri, 21 Mar 2008 23:42:29 +0000">
mfleming
</metadata>
<metadata tag="bugReady" timestamp="Wed, 02 Apr 2008 13:31:45 +0000">
rbu
</metadata>
</glsa>
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