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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201402-26">
<title>libssh: Arbitrary code execution</title>
<synopsis>Multiple vulnerabilities have been found in libssh, allowing
attackers to execute arbitrary code or cause Denial of Service.
</synopsis>
<product type="ebuild">libssh</product>
<announced>February 21, 2014</announced>
<revised>February 21, 2014: 1</revised>
<bug>444147</bug>
<access>remote</access>
<affected>
<package name="net-libs/libssh" auto="yes" arch="*">
<unaffected range="ge">0.5.3</unaffected>
<vulnerable range="lt">0.5.3</vulnerable>
</package>
</affected>
<background>
<p>libssh is a C library providing SSHv2 and SSHv1.</p>
</background>
<description>
<p>Multiple buffer overflow, double free, and integer overflow
vulnerabilities have been discovered in libssh.
</p>
</description>
<impact type="normal">
<p>A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libssh users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=net-libs/libssh-0.5.3"
</code>
</resolution>
<references>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4559">CVE-2012-4559</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4560">CVE-2012-4560</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4561">CVE-2012-4561</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4562">CVE-2012-4562</uri>
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6063">CVE-2012-6063</uri>
</references>
<metadata tag="requester" timestamp="Mon, 03 Dec 2012 11:55:23 +0000">ackle</metadata>
<metadata tag="submitter" timestamp="Fri, 21 Feb 2014 15:44:25 +0000">ackle</metadata>
</glsa>