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Last updated: 9/1/2014 9:56:36 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2003-0244

Original release date: 05/27/2003
Last revised: 09/10/2008
Source: US-CERT/NIST

Overview

The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: REDHAT
Name: RHSA-2003:145
Type: Advisory; Patch Information
External Source: MANDRAKE
Name: MDKSA-2003:066
External Source: MISC
Name: http://www.enyo.de/fw/security/notes/linux-dst-cache-dos.html
External Source: REDHAT
Name: RHSA-2003:172
External Source: REDHAT
Name: RHSA-2003:147
External Source: DEBIAN
Name: DSA-442
External Source: SECUNIA
Name: 8786
External Source: DEBIAN
Name: DSA-332
External Source: DEBIAN
Name: DSA-312
External Source: XF
Name: data-algorithmic-complexity-dos(15382)
External Source: VULNWATCH
Name: 20030517 Algorithmic Complexity Attacks and the Linux Networking Code
External Source: MISC
Name: http://marc.theaimsgroup.com/?l=linux-kernel&m=104956079213417
External Source: BUGTRAQ
Name: 20030618 [slackware-security] 2.4.21 kernels available (SSA:2003-168-01)
External Source: BID
Name: 7601
US-CERT Vulnerability Note: OVAL
Name: oval:org.mitre.oval:def:261
Type: Tool Signature
External Source: DEBIAN
Name: DSA-336
External Source: MANDRAKE
Name: MDKSA-2003:074
External Source: ENGARDE
Name: ESA-20030515-017
External Source: DEBIAN
Name: DSA-311
Type: Advisory; Patch Information

References to Check Content

Identifier: oval:org.mitre.oval:def:261
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

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