Debian Security Advisory
DSA-2731-1 libgcrypt11 -- information leak
- Date Reported:
- 29 Jul 2013
- Affected Packages:
- 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.