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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Malformed ICMP Packets May Cause a Denial of Service (SCTP) Vulnerability Assessment Details
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Malformed ICMP Packets May Cause a Denial of Service (SCTP) |
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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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