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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201604-04">
<title>libksba: Multiple vulnerabilities</title>
<synopsis>Multiple vulnerabilities have been found in libksba, allowing a
possible Denial of Service and unspecified other vectors through integer
overflows.
</synopsis>
<product type="ebuild">libksba</product>
<announced>April 26, 2016</announced>
<revised>April 26, 2016: 1</revised>
<bug>546464</bug>
<access>remote</access>
<affected>
<package name="dev-libs/libksba" auto="yes" arch="*">
<unaffected range="ge">1.3.3</unaffected>
<vulnerable range="lt">1.3.3</vulnerable>
</package>
</affected>
<background>
<p>Libksba is a X.509 and CMS (PKCS#7) library.</p>
</background>
<description>
<p>libksba is vulnerable to two integer overflows and a Denial of Service
vulnerability. Please read the references for additional details.
</p>
</description>
<impact type="normal">
<p>Remote attackers could cause Denial of Service or unspecified other
vectors through various integer overflows.
</p>
</impact>
<workaround>
<p>There is no known workaround at this time.</p>
</workaround>
<resolution>
<p>All libksba users should upgrade to the latest version:</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose "&gt;=dev-libs/libksba-1.3.3"
</code>
</resolution>
<references>
<uri link="http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=07116a314f4dcd4d96990bbd74db95a03a9f650a">
Denial of Service due to stack overflow in src/ber-decoder.c
</uri>
<uri link="http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=aea7b6032865740478ca4b706850a5217f1c3887">
Integer overflow in the BER decoder src/ber-decoder.c
</uri>
<uri link="http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=243d12fdec66a4360fbb3e307a046b39b5b4ffc3">
Integer overflow in the DN decoder src/dn.c
</uri>
</references>
<metadata tag="requester" timestamp="Mon, 06 Jul 2015 04:35:16 +0000">
BlueKnight
</metadata>
<metadata tag="submitter" timestamp="Tue, 26 Apr 2016 21:22:11 +0000">b-man</metadata>
</glsa>