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gentoo-overlay/metadata/glsa/glsa-200507-19.xml

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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="200507-19">
<title>zlib: Buffer overflow</title>
<synopsis>
zlib is vulnerable to a buffer overflow which could potentially lead to
execution of arbitrary code.
</synopsis>
<product type="ebuild">zlib</product>
<announced>July 22, 2005</announced>
<revised>July 22, 2005: 01</revised>
<bug>99751</bug>
<access>remote</access>
<affected>
<package name="sys-libs/zlib" auto="yes" arch="*">
<unaffected range="ge">1.2.3</unaffected>
<vulnerable range="lt">1.2.3</vulnerable>
</package>
</affected>
<background>
<p>
zlib is a widely used free and patent unencumbered data
compression library.
</p>
</background>
<description>
<p>
zlib improperly handles invalid data streams which could lead to a
buffer overflow.
</p>
</description>
<impact type="high">
<p>
By creating a specially crafted compressed data stream, attackers
can overwrite data structures for applications that use zlib, resulting
in arbitrary code execution or a Denial of Service.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All zlib users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=sys-libs/zlib-1.2.3&quot;</code>
</resolution>
<references>
<uri link="http://archives.neohapsis.com/archives/fulldisclosure/2005-07/0489.html">Full Disclosure Announcement</uri>
<uri link="http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1849">CAN-2005-1849</uri>
</references>
<metadata tag="requester" timestamp="Thu, 21 Jul 2005 05:28:09 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Thu, 21 Jul 2005 07:38:10 +0000">
adir
</metadata>
<metadata tag="bugReady" timestamp="Thu, 21 Jul 2005 18:38:18 +0000">
adir
</metadata>
</glsa>