Vulnerability Assessment & Network Security Forums

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 >> CSCdv48261

Vulnerability Assessment Details

CSCdv48261

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

Detailed Explanation for this Vulnerability Assessment

The IOS Firewall Feature set, also known as Cisco Secure Integrated
Software, also known as Context Based Access Control (CBAC), and
introduced in IOS version 11.2P, has a vulnerability that permits
traffic normally expected to be denied by the dynamic access control
lists.

A possible hacker may use this flaw to break into your network even though
it was explicitly denied

This vulnerability is documented as Cisco Bug ID CSCdv48261.

Solution :
http://www.cisco.com/warp/public/707/IOS-cbac-dynacl-pub.shtml

Reference : http://online.securityfocus.com/archive/1/242844

Network Security Threat Level: Critical

*** As Nessus solely relied on the banner of the remote host
*** this might be a false positive

Networks Security ID:

Vulnerability Assessment Copyright: This script is (C) 2002 Renaud Deraison

Cables, Connectors