Ubuntu 12.04 LTS / 14.04 LTS / 15.10 : libtasn1-3, libtasn1-6 vulnerability (USN-2957-1)

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


Synopsis :

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

Description :

Pascal Cuoq and Miod Vallat discovered that Libtasn1 incorrectly
handled certain malformed DER certificates. A remote attacker could
possibly use this issue to cause applications using Libtasn1 to hang,
resulting in a denial of service.

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 libtasn1-3 and / or libtasn1-6 packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.6
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 90856 ()

Bugtraq ID:

CVE ID: CVE-2016-4008

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