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Test ID:1.3.6.1.4.1.25623.1.0.702731
Category:Debian Local Security Checks
Title:Debian Security Advisory DSA 2731-1 (libgcrypt11 - information leak)
Summary:Yarom and Falkner discovered that RSA secret keys in applications using;the libgcrypt11 library, for example GnuPG 2.x, could be leaked via;a side channel attack, where a malicious local user could obtain private;key information from another user on the system.
Description:Summary:
Yarom and Falkner discovered that RSA secret keys in applications using
the libgcrypt11 library, for example GnuPG 2.x, could be leaked via
a side channel attack, where a malicious local user could obtain private
key information from another user on the system.

Affected Software/OS:
libgcrypt11 on Debian Linux

Solution:
For the oldstable distribution (squeeze), this problem has been fixed in
version 1.4.5-2+squeeze1.

For the stable distribution (wheezy), this problem has been fixed in
version 1.5.0-5+deb7u1.

For the testing distribution (jessie) and unstable distribution (sid),
this problem has been fixed in version 1.5.3-1.

We recommend that you upgrade your libgcrypt11 packages.

CVSS Score:
1.9

CVSS Vector:
AV:L/AC:M/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-4242
BugTraq ID: 61464
http://www.securityfocus.com/bid/61464
CERT/CC vulnerability note: VU#976534
http://www.kb.cert.org/vuls/id/976534
Debian Security Information: DSA-2730 (Google Search)
http://www.debian.org/security/2013/dsa-2730
Debian Security Information: DSA-2731 (Google Search)
http://www.debian.org/security/2013/dsa-2731
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=717880
http://eprint.iacr.org/2013/448
http://lists.gnupg.org/pipermail/gnupg-announce/2013q3/000330.html
RedHat Security Advisories: RHSA-2013:1457
http://rhn.redhat.com/errata/RHSA-2013-1457.html
http://secunia.com/advisories/54318
http://secunia.com/advisories/54321
http://secunia.com/advisories/54332
http://secunia.com/advisories/54375
SuSE Security Announcement: openSUSE-SU-2013:1294 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-08/msg00003.html
http://www.ubuntu.com/usn/USN-1923-1
CopyrightCopyright (C) 2013 Greenbone Networks GmbH http://greenbone.net

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