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Debian DSA-2454-2 : openssl - multiple vulnerabilities

high Nessus Plugin ID 58804

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Synopsis

The remote Debian host is missing a security-related update.

Description

Multiple vulnerabilities have been found in OpenSSL. The Common Vulnerabilities and Exposures project identifies the following issues :

 - CVE-2012-0884 Ivan Nestlerode discovered a weakness in the CMS and PKCS #7 implementations that could allow an attacker to decrypt data via a Million Message Attack (MMA).

 - CVE-2012-1165 It was discovered that a NULL pointer could be dereferenced when parsing certain S/MIME messages, leading to denial of service.

 - CVE-2012-2110 Tavis Ormandy, Google Security Team, discovered a vulnerability in the way DER-encoded ASN.1 data is parsed that can result in a heap overflow.

Additionally, the fix for CVE-2011-4619 has been updated to address an issue with SGC handshakes.

Tomas Hoger, Red Hat, discovered that the fix for CVE-2012-2110 for the 0.9.8 series of OpenSSL was incomplete. It has been assigned the CVE-2012-2131 identifier.

Solution

Upgrade the openssl packages.

For the stable distribution (squeeze), these problems have been fixed in version 0.9.8o-4squeeze12.

See Also

https://security-tracker.debian.org/tracker/CVE-2012-0884

https://security-tracker.debian.org/tracker/CVE-2012-1165

https://security-tracker.debian.org/tracker/CVE-2012-2110

https://security-tracker.debian.org/tracker/CVE-2011-4619

https://security-tracker.debian.org/tracker/CVE-2012-2131

https://packages.debian.org/source/squeeze/openssl

https://www.debian.org/security/2012/dsa-2454

Plugin Details

Severity: High

ID: 58804

File Name: debian_DSA-2454.nasl

Version: 1.22

Type: local

Agent: unix

Published: 4/20/2012

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:6.0, p-cpe:/a:debian:debian_linux:openssl

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/24/2012

Reference Information

CVE: CVE-2012-0884, CVE-2012-1165, CVE-2012-2110, CVE-2012-2131

BID: 52764, 53158

DSA: 2454