Debian DSA-2621-1 : openssl - several vulnerabilities

medium Nessus Plugin ID 64623

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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-2013-0166 OpenSSL does not properly perform signature verification for OCSP responses, which allows remote attackers to cause a denial of service via an invalid key.

- CVE-2013-0169 A timing side channel attack has been found in CBC padding allowing an attacker to recover pieces of plaintext via statistical analysis of crafted packages, known as the 'Lucky Thirteen' issue.

Solution

Upgrade the openssl packages.

For the stable distribution (squeeze), these problems have been fixed in version 0.9.8o-4squeeze14.

Plugin Details

Severity: Medium

ID: 64623

File Name: debian_DSA-2621.nasl

Version: 1.18

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 2/14/2013

Updated: 12/5/2022

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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 Ease: No known exploits are available

Patch Publication Date: 2/13/2013

Reference Information

CVE: CVE-2013-0166, CVE-2013-0169

BID: 57755, 57778

DSA: 2621

Detections

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