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Debian DSA-985-1 : libtasn1-2 - buffer overflows

high Nessus Plugin ID 22851

Synopsis

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

Description

Evgeny Legerov discovered several out-of-bounds memory accesses in the DER decoding component of the Tiny ASN.1 Library that allows attackers to crash the DER decoder and possibly execute arbitrary code.

Solution

Upgrade the libtasn1 packages.

The old stable distribution (woody) is not affected by these problems.

For the stable distribution (sarge) these problems have been fixed in version 2_0.2.10-3sarge1.

See Also

http://www.debian.org/security/2006/dsa-985

Plugin Details

Severity: High

ID: 22851

File Name: debian_DSA-985.nasl

Version: 1.17

Type: local

Agent: unix

Published: 10/14/2006

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libtasn1, cpe:/o:debian:debian_linux:3.1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/6/2006

Vulnerability Publication Date: 2/9/2006

Reference Information

CVE: CVE-2006-0645

BID: 16568

DSA: 985