Debian: 2731-1: libgcrypt11: information leak
Posted by Benjamin D. Thomas   
Debian 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. [More...]
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Debian Security Advisory DSA-2731-1                   security@debian.org
http://www.debian.org/security/                           Thijs Kinkhorst
July 29, 2013                          http://www.debian.org/security/faq
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Package        : libgcrypt11
Vulnerability  : information leak
Problem type   : local
Debian-specific: no
CVE ID         : CVE-2013-4242

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.

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.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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