DSA-2821-1 gnupg -- side channel attack

Debian Security Advisory

DSA-2821-1 gnupg -- side channel attack

Date Reported:

18 Dec 2013

Affected Packages:

gnupg

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2013-4576.

More information:

Genkin, Shamir and Tromer discovered that RSA key material could be extracted by using the sound generated by the computer during the decryption of some chosen ciphertexts.

For the oldstable distribution (squeeze), this problem has been fixed in version 1.4.10-4+squeeze4.

For the stable distribution (wheezy), this problem has been fixed in version 1.4.12-7+deb7u3.

For the unstable distribution (sid), this problem has been fixed in version 1.4.15-3.

We recommend that you upgrade your gnupg packages.