51 lines
1.8 KiB
XML
51 lines
1.8 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
|
|
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
|
|
<glsa id="201408-10">
|
|
<title>Libgcrypt: Side-channel attack</title>
|
|
<synopsis>A vulnerability in Libgcrypt could allow a remote attacker to
|
|
extract ElGamal private key information.
|
|
</synopsis>
|
|
<product type="ebuild">libgcrypt,side-channel,elgamal</product>
|
|
<announced>August 29, 2014</announced>
|
|
<revised>August 29, 2014: 1</revised>
|
|
<bug>519396</bug>
|
|
<access>remote</access>
|
|
<affected>
|
|
<package name="dev-libs/libgcrypt" auto="yes" arch="*">
|
|
<unaffected range="ge">1.5.4</unaffected>
|
|
<vulnerable range="lt">1.5.4</vulnerable>
|
|
</package>
|
|
</affected>
|
|
<background>
|
|
<p>Libgcrypt is a general purpose cryptographic library derived out of
|
|
GnuPG.
|
|
</p>
|
|
</background>
|
|
<description>
|
|
<p>A vulnerability in the implementation of ElGamal decryption procedures
|
|
of Libgcrypt leaks information to various side-channels.
|
|
</p>
|
|
</description>
|
|
<impact type="normal">
|
|
<p>A physical side-channel attack allows a remote attacker to fully extract
|
|
decryption keys during the decryption of a chosen ciphertext.
|
|
</p>
|
|
</impact>
|
|
<workaround>
|
|
<p>There is no known workaround at this time.</p>
|
|
</workaround>
|
|
<resolution>
|
|
<p>All Libgcrypt users should upgrade to the latest version:</p>
|
|
|
|
<code>
|
|
# emerge --sync
|
|
# emerge --ask --oneshot --verbose ">=dev-libs/libgcrypt-1.5.4"
|
|
</code>
|
|
|
|
</resolution>
|
|
<references>
|
|
<uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5270">CVE-2014-5270</uri>
|
|
</references>
|
|
<metadata tag="requester" timestamp="Sun, 24 Aug 2014 09:53:40 +0000">K_F</metadata>
|
|
<metadata tag="submitter" timestamp="Fri, 29 Aug 2014 10:08:01 +0000">K_F</metadata>
|
|
</glsa>
|