GLSA-200404-11 : Multiple Vulnerabilities in pwlib

This script is Copyright (C) 2004-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-200404-11
(Multiple Vulnerabilities in pwlib)

Multiple vulnerabilities have been found in the implimentation of protocol
H.323 contained in pwlib. Most of the vulnerabilies are in the parsing of
ASN.1 elements which would allow an attacker to use a maliciously crafted
ASN.1 element to cause unpredictable behavior in pwlib.

Impact :

An attacker may cause a denial of service condition or cause a buffer
overflow that would allow arbitrary code to be executed with root
privileges.

Workaround :

Blocking ports 1719 and 1720 may reduce the likelihood of an attack. All
users are advised to upgrade to the latest version of the affected package.

See also :

http://www.nessus.org/u?cc7c4598
http://www.gentoo.org/security/en/glsa/glsa-200404-11.xml

Solution :

All pwlib users are advised to upgrade to version 1.5.2-r3 or later:
# emerge sync
# emerge -pv '>=dev-libs/pwlib-1.5.2-r3'
# emerge '>=dev-libs/pwlib-1.5.2-r3'

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 14476 (gentoo_GLSA-200404-11.nasl)

Bugtraq ID:

CVE ID: CVE-2004-0097