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Debian DSA-465-1 : openssl - several vulnerabilities

medium Nessus Plugin ID 15302

Synopsis

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

Description

Two vulnerabilities were discovered in openssl, an implementation of the SSL protocol, using the Codenomicon TLS Test Tool. More information can be found in the following NISCC Vulnerability Advisory and this OpenSSL advisory. The Common Vulnerabilities and Exposures project identified the following vulnerabilities :

 - CAN-2004-0079 NULL pointer assignment in the do_change_cipher_spec() function. A remote attacker could perform a carefully crafted SSL/TLS handshake against a server that used the OpenSSL library in such a way as to cause OpenSSL to crash. Depending on the application this could lead to a denial of service.

 - CAN-2004-0081

 A bug in older versions of OpenSSL 0.9.6 that can lead to a Denial of Service attack (infinite loop).

Solution

For the stable distribution (woody) these problems have been fixed in openssl version 0.9.6c-2.woody.6, openssl094 version 0.9.4-6.woody.4 and openssl095 version 0.9.5a-6.woody.5.

We recommend that you update your openssl package.

See Also

http://www.uniras.gov.uk/vuls/2004/224012/index.htm

http://www.openssl.org/news/secadv/20040317.txt

http://www.debian.org/security/2004/dsa-465

Plugin Details

Severity: Medium

ID: 15302

File Name: debian_DSA-465.nasl

Version: 1.27

Type: local

Agent: unix

Published: 9/29/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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: p-cpe:/a:debian:debian_linux:openssl, p-cpe:/a:debian:debian_linux:openssl094, p-cpe:/a:debian:debian_linux:openssl095, cpe:/o:debian:debian_linux:3.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/17/2004

Vulnerability Publication Date: 3/17/2004

Reference Information

CVE: CVE-2004-0079, CVE-2004-0081

BID: 9899

CERT: 288574, 465542

DSA: 465