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Debian DSA-253-1 : openssl - information leak

medium Nessus Plugin ID 15090

Synopsis

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

Description

A vulnerability has been discovered in OpenSSL, a Secure Socket Layer (SSL) implementation. In an upcoming paper, Brice Canvel (EPFL), Alain Hiltgen (UBS), Serge Vaudenay (EPFL), and Martin Vuagnoux (EPFL, Ilion) describe and demonstrate a timing-based attack on CBC cipher suites used in SSL and TLS. OpenSSL has been found to be vulnerable to this attack.

Solution

Upgrade the openssl packages.

For the stable distribution (woody) this problem has been fixed in version 0.9.6c-2.woody.2.

For the old stable distribution (potato) this problem has been fixed in version 0.9.6c-0.potato.5. Please note that this updates the version from potato-proposed-updates that supersedes the version in potato.

See Also

http://www.debian.org/security/2003/dsa-253

Plugin Details

Severity: Medium

ID: 15090

File Name: debian_DSA-253.nasl

Version: 1.22

Type: local

Agent: unix

Published: 9/29/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:openssl, cpe:/o:debian:debian_linux:2.2, cpe:/o:debian:debian_linux:3.0

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: 2/24/2003

Vulnerability Publication Date: 2/19/2003

Reference Information

CVE: CVE-2003-0078

BID: 6884

DSA: 253