Ubuntu 10.04 LTS / 12.04 LTS / 14.04 : libtasn1-3, libtasn1-6 vulnerabilities (USN-2294-1)

Ubuntu Security Notice (C) 2014 Canonical, Inc. / NASL script (C) 2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that Libtasn1 incorrectly handled certain ASN.1 data
structures. An attacker could exploit this with specially crafted
ASN.1 data and cause applications using Libtasn1 to crash, resulting
in a denial of service. (CVE-2014-3467)

It was discovered that Libtasn1 incorrectly handled negative bit
lengths. An attacker could exploit this with specially crafted ASN.1
data and cause applications using Libtasn1 to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2014-3468)

It was discovered that Libtasn1 incorrectly handled certain ASN.1
data. An attacker could exploit this with specially crafted ASN.1 data
and cause applications using Libtasn1 to crash, resulting in a denial
of service. (CVE-2014-3469).

Solution :

Update the affected libtasn1-3 and / or libtasn1-6 packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 76704 ()

Bugtraq ID: 67745
67748
67749

CVE ID: CVE-2014-3467
CVE-2014-3468
CVE-2014-3469