Debian Security Advisory

DSA-2731-1 libgcrypt11 -- information leak

Date Reported:
29 Jul 2013
Affected Packages:
libgcrypt11
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2013-4242.
More information:

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.