Detections
Analytics

GLSA-200702-03 : Snort: Denial of Service

medium Nessus Plugin ID 24352

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-200702-03 (Snort: Denial of Service)

 Randy Smith, Christian Estan and Somesh Jha discovered that the rule matching algorithm of Snort can be exploited in a way known as a 'backtracking attack' to perform numerous time-consuming operations.
 Impact :

 A remote attacker could send specially crafted network packets, which would result in the cessation of the detections and the consumption of the CPU resources.
 Workaround :

 There is no known workaround at this time.

Solution

All Snort users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-analyzer/snort-2.6.1.2'

See Also

https://security.gentoo.org/glsa/200702-03

Plugin Details

Severity: Medium

ID: 24352

File Name: gentoo_GLSA-200702-03.nasl

Version: 1.14

Type: local

Published: 2/15/2007

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

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

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

Patch Publication Date: 2/13/2007

Vulnerability Publication Date: 12/12/2006

Reference Information

CVE: CVE-2006-6931

GLSA: 200702-03