National Cyber Awareness System

Vulnerability Summary for CVE-2001-0851

Overview

Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.

Impact

CVSS Severity (version 2.0 incomplete approximation):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: ENGARDE

Name: ESA-20011106-01

Type: Advisory; Patch Information

Hyperlink:http://www.linuxsecurity.com/advisories/other_advisory-1683.html

External Source: CALDERA

Name: CSSA-2001-38.0

Type: Advisory; Patch Information

Hyperlink:http://www.caldera.com/support/security/advisories/CSSA-2001-038.0.txt

External Source: XF

Name: linux-syncookie-bypass-filter(7461)

Hyperlink:http://xforce.iss.net/static/7461.php

External Source: REDHAT

Name: RHSA-2001:142

Hyperlink:http://www.redhat.com/support/errata/RHSA-2001-142.html

External Source: SUSE

Name: SuSE-SA:2001:039

Hyperlink:http://www.novell.com/linux/security/advisories/2001_039_kernel2_txt.html

External Source: MANDRAKE

Name: MDKSA-2001:082

Hyperlink:http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3

External Source: CONECTIVA

Name: CLA-2001:432

Hyperlink:http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000432