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GLSA-201708-08 : bzip2: Denial of Service

medium Nessus Plugin ID 102620

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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-201708-08 (bzip2: Denial of Service)

 A use-after-free flaw was found in bzip2recover, leading to a null pointer dereference, or a write to a closed file descriptor. Please review the CVE identifier referenced below for details.
 Impact :

 A remote attacker could entice a user to process a specially crafted bzip2 archive using bzip2recover, possibly resulting in a Denial of Service condition.
 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/bzip2-1.0.6-r8'

See Also

https://security.gentoo.org/glsa/201708-08

Plugin Details

Severity: Medium

ID: 102620

File Name: gentoo_GLSA-201708-08.nasl

Version: 3.2

Type: local

Published: 8/21/2017

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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: 8/21/2017

Reference Information

CVE: CVE-2016-3189

GLSA: 201708-08