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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200507-28">
<title>AMD64 x86 emulation base libraries: Buffer overflow</title>
<synopsis>
The x86 emulation base libraries for AMD64 contain a vulnerable version of
zlib which could potentially lead to execution of arbitrary code.
</synopsis>
<product type="ebuild">emul-linux-x86-baselibs</product>
<announced>2005-07-30</announced>
<revised>2005-08-02: 02</revised>
<bug>100686</bug>
<access>remote</access>
<affected>
<package name="app-emulation/emul-linux-x86-baselibs" auto="yes" arch="AMD64">
<unaffected range="ge">2.1.2</unaffected>
<vulnerable range="lt">2.1.2</vulnerable>
</package>
</affected>
<background>
<p>
The x86 emulation base libraries for AMD64 emulate the x86 (32-bit)
architecture on the AMD64 (64-bit) architecture.
</p>
</background>
<description>
<p>
Earlier versions of emul-linux-x86-baselibs contain a vulnerable
version of zlib, which may 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 the x86 emulation
base libraries for AMD64, resulting in a Denial of Service and
potentially arbitrary code execution.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All AMD64 x86 emulation base libraries users should upgrade to the
latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose app-emulation/emul-linux-x86-baselibs</code>
</resolution>
<references>
<uri link="https://www.gentoo.org/security/en/glsa/glsa-200507-05.xml">GLSA 200507-05</uri>
<uri link="https://www.gentoo.org/security/en/glsa/glsa-200507-19.xml">GLSA 200507-19</uri>
<uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1849">CAN-2005-1849</uri>
<uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2096">CAN-2005-2096</uri>
</references>
<metadata tag="requester" timestamp="2005-07-30T08:48:26Z">
koon
</metadata>
<metadata tag="bugReady" timestamp="2005-07-30T08:50:21Z">
koon
</metadata>
<metadata tag="submitter" timestamp="2005-07-30T09:53:12Z">
adir
</metadata>
</glsa>
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