Ubuntu 8.04 LTS / 10.04 LTS / 11.10 / 12.04 LTS / 12.10 : gnutls13, gnutls26 vulnerability (USN-1752-1)

Ubuntu Security Notice (C) 2013-2015 Canonical, Inc. / NASL script (C) 2013-2015 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as
used in GnuTLS was vulnerable to a timing side-channel attack known as
the 'Lucky Thirteen' issue. A remote attacker could use this issue to
perform plaintext-recovery attacks via analysis of timing data.

Solution :

Update the affected libgnutls13 and / or libgnutls26 packages.

Risk factor :

Medium / CVSS Base Score : 4.0
CVSS Temporal Score : 3.5
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 64928 ()

Bugtraq ID: 57736

CVE ID: CVE-2013-1619