GLSA-201206-18 : GnuTLS: Multiple vulnerabilities

High Nessus Plugin ID 59671

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-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.

Solution

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

See Also

https://security.gentoo.org/glsa/201206-18

Plugin Details

Severity: High

ID: 59671

File Name: gentoo_GLSA-201206-18.nasl

Version: 1.7

Type: local

Published: 2012/06/25

Updated: 2018/07/11

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:gnutls, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2012/06/23

Reference Information

CVE: CVE-2009-2730, CVE-2009-3555, CVE-2011-4128, CVE-2012-1573

BID: 35952, 36935, 50609, 52667

GLSA: 201206-18

CWE: 310