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Debian DSA-741-1 : bzip2 - infinite loop

medium Nessus Plugin ID 18645

Synopsis

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

Description

Chris Evans discovered that a specially crafted archive can trigger an infinite loop in bzip2, a high-quality block-sorting file compressor.
During uncompression this results in an indefinitely growing output file which will finally fill up the disk. On systems that automatically decompress bzip2 archives this can cause a denial of service.

Solution

Upgrade the bzip2 package.

For the oldstable distribution (woody) this problem has been fixed in version 1.0.2-1.woody5.

For the stable distribution (sarge) this problem has been fixed in version 1.0.2-7.

See Also

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=310803

http://www.debian.org/security/2005/dsa-741

Plugin Details

Severity: Medium

ID: 18645

File Name: debian_DSA-741.nasl

Version: 1.19

Type: local

Agent: unix

Published: 7/8/2005

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

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:3.0, p-cpe:/a:debian:debian_linux:bzip2, 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: 7/7/2005

Vulnerability Publication Date: 5/20/2005

Reference Information

CVE: CVE-2005-1260

DSA: 741