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Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Malformed ICMP Packets May Cause a Denial of Service (SCTP)


Vulnerability Assessment Details

Malformed ICMP Packets May Cause a Denial of Service (SCTP)

Vulnerability Assessment Summary
Kills the remote Linux with a bad ICMP packet

Detailed Explanation for this Vulnerability Assessment

Summary :

It is possible to crash the remote host by sending it malformed ICMP packets.

Description :

Linux Kernels older than version 2.6.13 contains a bug which may permit an
attacker to cause a NULL pointer dereference by sending malformed ICMP packets,
thus resulting in a kernel panic.

This flaw is present only if SCTP support is enabled on the remote host.

A possible hacker to make this host crash continuously, thus preventing legitimate
users from using it.

See also :

http://oss.sgi.com/projects/netdev/archive/2005-07/msg00142.html

Solution :

Ugprade to Linux 2.6.13 or newer, or disable SCTP support.

Network Security Threat Level:

Medium / CVSS Base Score : 5
(AV:R/AC:L/Au:NR/C:N/A:C/I:N/B:A)

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Michel Arboi

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