GLSA-200804-02 : bzip2: Denial of Service

medium Nessus Plugin ID 31753
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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200804-02 (bzip2: Denial of Service)

The Oulu University discovered that bzip2 does not properly check offsets provided by the bzip2 file, leading to a buffer overread.
Impact :

Remote attackers can entice a user or automated system to open a specially crafted file that triggers a buffer overread, causing a Denial of Service. libbz2 and programs linking against it are also affected.
Workaround :

There is no known workaround at this time.

Solution

All bzip2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-arch/bzip2-1.0.5'

See Also

https://security.gentoo.org/glsa/200804-02

Plugin Details

Severity: Medium

ID: 31753

File Name: gentoo_GLSA-200804-02.nasl

Version: 1.14

Type: local

Published: 4/4/2008

Updated: 1/6/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:bzip2, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 4/2/2008

Reference Information

CVE: CVE-2008-1372

GLSA: 200804-02

CWE: 119