National Cyber-Alert System
Vulnerability Summary for CVE-2008-5849
Original release date:01/06/2009
Last revised:08/19/2009
Source:
US-CERT/NIST
Overview
Check Point VPN-1 R55, R65, and other versions, when Port Address Translation (PAT) is used, allows remote attackers to discover intranet IP addresses via a packet with a small TTL, which triggers an ICMP_TIMXCEED_INTRANS (aka ICMP time exceeded in-transit) response containing an encapsulated IP packet with an intranet address, as demonstrated by a TCP packet to the firewall management server on port 18264.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: https://svn.wald.intevation.org/svn/openvas/trunk/openvas-plugins/scripts/checkpoint-vpn1-pat-information-disclosure.nasl
External Source: CONFIRM
Name: https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk36321
External Source: XF
Name: vpn1-pat-information-disclosure(46645)
External Source: VUPEN
Name: ADV-2008-3229
External Source: BID
Name: 32306
External Source: MISC
Name: http://www.portcullis-security.com/293.php
External Source: SECUNIA
Name: 32728