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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200710-06">
<title>OpenSSL: Multiple vulnerabilities</title>
<synopsis>
A buffer underflow vulnerability and an information disclosure
vulnerability have been discovered in OpenSSL.
</synopsis>
<product type="ebuild">openssl</product>
<announced>October 07, 2007</announced>
<revised>October 07, 2007: 01</revised>
<bug>188799</bug>
<bug>194039</bug>
<access>local, remote</access>
<affected>
<package name="dev-libs/openssl" auto="yes" arch="*">
<unaffected range="ge">0.9.8e-r3</unaffected>
<vulnerable range="lt">0.9.8e-r3</vulnerable>
</package>
</affected>
<background>
<p>
OpenSSL is an implementation of the Secure Socket Layer and Transport
Layer Security protocols.
</p>
</background>
<description>
<p>
Moritz Jodeit reported an off-by-one error in the
SSL_get_shared_ciphers() function, resulting from an incomplete fix of
CVE-2006-3738. A flaw has also been reported in the
BN_from_montgomery() function in crypto/bn/bn_mont.c when performing
Montgomery multiplication.
</p>
</description>
<impact type="high">
<p>
A remote attacker sending a specially crafted packet to an application
relying on OpenSSL could possibly execute arbitrary code with the
privileges of the user running the application. A local attacker could
perform a side channel attack to retrieve the RSA private keys.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All OpenSSL users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-libs/openssl-0.9.8e-r3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3738">CVE-2006-3738</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3108">CVE-2007-3108</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5135">CVE-2007-5135</uri>
</references>
<metadata tag="requester" timestamp="Mon, 10 Sep 2007 06:24:11 +0000">
jaervosz
</metadata>
<metadata tag="bugReady" timestamp="Mon, 10 Sep 2007 06:24:24 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Sat, 06 Oct 2007 13:14:06 +0000">
p-y
</metadata>
</glsa>