Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : gnutls13, gnutls26 vulnerabilities (USN-1418-1)

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Alban Crequy discovered that the GnuTLS library incorrectly checked
array bounds when copying TLS session data. A remote attacker could
crash a client application, leading to a denial of service, as the
client application prepared for TLS session resumption.
(CVE-2011-4128)

Matthew Hall discovered that the GnuTLS library incorrectly handled
TLS records. A remote attacker could crash client and server
applications, leading to a denial of service, by sending a crafted TLS
record. (CVE-2012-1573).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libgnutls13 and / or libgnutls26 packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 58618 ()

Bugtraq ID: 50609
52667

CVE ID: CVE-2011-4128
CVE-2012-1573