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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200507-28">
<title>AMD64 x86 emulation base libraries: Buffer overflow</title>
The x86 emulation base libraries for AMD64 contain a vulnerable version of
zlib which could potentially lead to execution of arbitrary code.
<product type="ebuild">emul-linux-x86-baselibs</product>
<announced>July 30, 2005</announced>
<revised>August 02, 2005: 02</revised>
<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>
The x86 emulation base libraries for AMD64 emulate the x86 (32-bit)
architecture on the AMD64 (64-bit) architecture.
Earlier versions of emul-linux-x86-baselibs contain a vulnerable
version of zlib, which may lead to a buffer overflow.
<impact type="high">
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.
There is no known workaround at this time.
All AMD64 x86 emulation base libraries users should upgrade to the
latest version:
# emerge --sync
# emerge --ask --oneshot --verbose app-emulation/emul-linux-x86-baselibs</code>
<uri link="/security/en/glsa/glsa-200507-05.xml">GLSA 200507-05</uri>
<uri link="/security/en/glsa/glsa-200507-19.xml">GLSA 200507-19</uri>
<uri link="">CAN-2005-1849</uri>
<uri link="">CAN-2005-2096</uri>
<metadata tag="requester" timestamp="Sat, 30 Jul 2005 08:48:26 +0000">
<metadata tag="bugReady" timestamp="Sat, 30 Jul 2005 08:50:21 +0000">
<metadata tag="submitter" timestamp="Sat, 30 Jul 2005 09:53:12 +0000">