Security Information / 2016 / Security Information -- DSA-3474-1 libgcrypt20

Debian Security Advisory

DSA-3474-1 libgcrypt20 -- security update

Date Reported:

12 Feb 2016

Affected Packages:

libgcrypt20

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2015-7511.

More information:

Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered that the ECDH secret decryption keys in applications using the libgcrypt20 library could be leaked via a side-channel attack.

See https://www.cs.tau.ac.IL/~tromer/ecdh/ for details.

For the stable distribution (jessie), this problem has been fixed in version 1.6.3-2+deb8u1.

For the unstable distribution (sid), this problem has been fixed in version 1.6.5-2.

We recommend that you upgrade your libgcrypt20 packages.