GLSA-200803-24 : PCRE: Buffer overflow

High Nessus Plugin ID 31611

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 5.8

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-200803-24 (PCRE: Buffer overflow)

PCRE contains a buffer overflow vulnerability when processing a character class containing a very large number of characters with codepoints greater than 255.
Impact :

A remote attacker could exploit this vulnerability by sending a specially crafted regular expression to an application making use of the PCRE library, which could possibly lead to the execution of arbitrary code or a Denial of Service.
Workaround :

There is no known workaround at this time.

Solution

All PCRE users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libpcre-7.6-r1' All GLib users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/glib-2.14.6'

See Also

https://security.gentoo.org/glsa/200803-24

Plugin Details

Severity: High

ID: 31611

File Name: gentoo_GLSA-200803-24.nasl

Version: 1.16

Type: local

Published: 2008/03/19

Updated: 2019/08/02

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 5.8

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:glib, p-cpe:/a:gentoo:linux:libpcre, cpe:/o:gentoo:linux

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2008/03/17

Reference Information

CVE: CVE-2008-0674

BID: 27786

GLSA: 200803-24

CWE: 119