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 >> CSCdt46181

Vulnerability Assessment Details

CSCdt46181

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

Detailed Explanation for this Vulnerability Assessment

Point-to-Point Tunneling Protocol (PPTP) permits users to tunnel to an
Internet Protocol (IP) network using a Point-to-Point Protocol (PPP).
The protocol is described in RFC2637.

PPTP implementation using Cisco IOS® software releases contains a
vulnerability that will crash a router if it receives a malformed or
crafted PPTP packet. To expose this vulnerability, PPTP must be
enabled on the router. PPTP is disabled by default. No additional
special conditions are required.

A possible hacker may use this issue to prevent your network
from working properly

This vulnerability is documented as Cisco Bug ID CSCdt46181

Solution :
http://www.cisco.com/warp/public/707/PPTP-vulnerability-pub.html
Network Security Threat Level: High

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

Networks Security ID: 3022

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

Cables, Connectors