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Vulnerability Score 5.0 5.0
CVE Id CVE-2003-0467
Last Modified 10 Sep 2008 03:19:05
Published 27 Aug 2003 12:00:00
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Unknown vulnerability in ip_nat_sack_adjust of Netfilter in Linux kernels 2.4.20, and some 2.5.x, when CONFIG_IP_NF_NAT_FTP or CONFIG_IP_NF_NAT_IRC is enabled, or the ip_nat_ftp or ip_nat_irc modules are loaded, allows remote attackers to cause a denial of service (crash) in systems using NAT, possibly due to an integer signedness error.

Vulnerable Systems

Operating System

  • Linux Kernel 2.4.20

  • Linux Kernel 2.4.21


BUGTRAQ - 20030802 [SECURITY] Netfilter Security Advisory: NAT Remote DOS (SACK mangle)

Last Updated: 27 May 2016 10:37:56