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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 >> CISCO >> Cisco IOS IPv6 Processing Arbitrary Code Execution Vulnerability

Vulnerability Assessment Details

Cisco IOS IPv6 Processing Arbitrary Code Execution Vulnerability

Vulnerability Assessment Summary
Uses SNMP to determine if a flaw is present

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote router contains a vulnerability which may permit a possible hacker to
execute arbitary code on it.

Description :

The remote version of IOS is vulnerable to a code execution vulnerability when
processing malformed IPv6 packets.

To exploit this flaw, a possible hacker would need to ability to send a malformed
packet from a local segment and may exploit this issue to cause the remote
device to reload repeatedly or to execute arbitrary code in the remote IOS.

See also :

http://www.cisco.com/warp/public/707/cisco-sa-20050729-ipv6.shtml

Solution :

Cisco has made a set of patches available which are listed at the address above.

Network Security Threat Level:

High / CVSS Base Score : 8
(AV:R/AC:H/Au:NR/C:C/A:C/I:C/B:N)

Networks Security ID: 14414

Vulnerability Assessment Copyright: This script is (C) 2005 Tenable Network Security

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