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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200512-14">
<title>NBD Tools: Buffer overflow in NBD server</title>
<synopsis>
The NBD server is vulnerable to a buffer overflow that may result in the
execution of arbitrary code.
</synopsis>
<product type="ebuild">NBD</product>
<announced>December 23, 2005</announced>
<revised>December 23, 2005: 01</revised>
<bug>116314</bug>
<access>remote</access>
<affected>
<package name="sys-block/nbd" auto="yes" arch="*">
<unaffected range="ge">2.8.2-r1</unaffected>
<vulnerable range="lt">2.8.2-r1</vulnerable>
</package>
</affected>
<background>
<p>
The NBD Tools are the Network Block Device utilities allowing one
to use remote block devices over a TCP/IP network. It includes a
userland NBD server.
</p>
</background>
<description>
<p>
Kurt Fitzner discovered that the NBD server allocates a request
buffer that fails to take into account the size of the reply header.
</p>
</description>
<impact type="high">
<p>
A remote attacker could send a malicious request that can result
in the execution of arbitrary code with the rights of the NBD server.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All NBD Tools users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-block/nbd-2.8.2-r1"</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3534">CVE-2005-3534</uri>
</references>
<metadata tag="submitter" timestamp="Fri, 23 Dec 2005 10:21:27 +0000">
koon
</metadata>
<metadata tag="bugReady" timestamp="Fri, 23 Dec 2005 10:21:38 +0000">
koon
</metadata>
</glsa>
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