GLSA-201206-18 : GnuTLS: Multiple vulnerabilities

This script is Copyright (C) 2012-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-201206-18
(GnuTLS: Multiple vulnerabilities)

Multiple vulnerabilities have been found in GnuTLS:
An error in libgnutls does not properly sanitize '\\0' characters from
certificate fields (CVE-2009-2730).
An error in the TLS and SSL protocols mistreats renegotiation
handshakes (CVE-2009-3555).
A boundary error in the 'gnutls_session_get_data()' function in
gnutls_session.c could cause a buffer overflow (CVE-2011-4128).
An error in the '_gnutls_ciphertext2compressed()' function in
gnutls_cipher.c could cause memory corruption (CVE-2012-1573).

Impact :

A remote attacker could perform man-in-the-middle attacks to spoof
arbitrary SSL servers or cause a Denial of Service condition in
applications linked against GnuTLS.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All GnuTLS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-libs/gnutls-2.12.18'

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 59671 ()

Bugtraq ID: 35952

CVE ID: CVE-2009-2730

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