Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : libtasn1-3 vulnerability (USN-1436-1)

Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

Matthew Hall discovered that Libtasn incorrectly handled certain large
values. An attacker could exploit this with a specially crafted ASN.1
structure and cause a denial of service, or possibly execute arbitrary
code.

Solution :

Update the affected libtasn1-3 package.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.9
(CVSS2#E:POC/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 58974 ()

Bugtraq ID: 52668

CVE ID: CVE-2012-1569