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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200505-04">
<title>GnuTLS: Denial of Service vulnerability</title>
<synopsis>
The GnuTLS library is vulnerable to Denial of Service attacks.
</synopsis>
<product type="ebuild">GnuTLS</product>
<announced>2005-05-09</announced>
<revised count="01">2005-05-09</revised>
<bug>90726</bug>
<access>remote</access>
<affected>
<package name="net-libs/gnutls" auto="yes" arch="*">
<unaffected range="ge">1.2.3</unaffected>
<unaffected range="rge">1.0.25</unaffected>
<vulnerable range="lt">1.2.3</vulnerable>
</package>
</affected>
<background>
<p>
GnuTLS is a free TLS 1.0 and SSL 3.0 implementation for the GNU
project.
</p>
</background>
<description>
<p>
A vulnerability has been discovered in the record packet parsing
in the GnuTLS library. Additionally, a flaw was also found in the RSA
key export functionality.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could exploit this vulnerability and cause a
Denial of Service to any application that utilizes the GnuTLS library.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All GnuTLS users should remove the existing installation and
upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --unmerge gnutls
# emerge --ask --oneshot --verbose net-libs/gnutls</code>
<p>
Due to small API changes with the previous version, please do
the following to ensure your applications are using the latest GnuTLS
that you just emerged.
</p>
<code>
# revdep-rebuild --soname-regexp libgnutls.so.1[0-1]</code>
<p>
Previously exported RSA keys can be fixed by executing the
following command on the key files:
</p>
<code>
# certtool -k infile outfile</code>
</resolution>
<references>
<uri link="http://lists.gnupg.org/pipermail/gnutls-dev/2005-April/000858.html">GnuTLS Announcement</uri>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1431">CAN-2005-1431</uri>
</references>
<metadata tag="requester" timestamp="2005-04-29T18:20:03Z">
koon
</metadata>
<metadata tag="bugReady" timestamp="2005-04-30T14:44:07Z">
koon
</metadata>
<metadata tag="submitter" timestamp="2005-04-30T16:35:11Z">
lewk
</metadata>
</glsa>
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