GLSA-200806-08 : OpenSSL: Denial of Service

medium Nessus Plugin ID 33244

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-200806-08 (OpenSSL: Denial of Service)

Ossi Herrala and Jukka Taimisto of Codenomicon discovered two vulnerabilities:
A double free() call in the TLS server name extension (CVE-2008-0891).
The OpenSSL client code does not properly handle servers that omit the Server Key Exchange message in the TLS handshake (CVE-2008-1672).
Impact :

A remote attacker could connect to a vulnerable server, or entice a daemon to connect to a malicious server, causing a Denial of Service of the daemon in both cases.
Workaround :

There is no known workaround at this time.

Solution

All OpenSSL users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/openssl-0.9.8g-r2'

See Also

https://security.gentoo.org/glsa/200806-08

Plugin Details

Severity: Medium

ID: 33244

File Name: gentoo_GLSA-200806-08.nasl

Version: 1.18

Type: local

Published: 6/24/2008

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/23/2008

Reference Information

CVE: CVE-2008-0891, CVE-2008-1672

CWE: 189, 287

GLSA: 200806-08