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CheckPoint VPN-1 IP Address Collision Security Issue

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Release Date:  2008-03-18    Last Update:  2008-03-25    Views:  9,229

Secunia Advisory SA29394

Where:

From local network

Impact:

Exposure of sensitive information, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Robert Mitchell has reported a security issue in CheckPoint VPN-1, which can lead to a DoS (Denial of Service) or disclosure of sensitive information.

The security issue is caused due to an error in the handling IP address collisions and can lead to a DoS or disclosure of sensitive information.

The problem occurs when a remote access client has an IP address, which is also defined in the encryption domain of a gateway that has a site-to-site VPN tunnel to the gateway the client connects to.


Solution:
The vendor has issued hotfixes to resolve the issue (see vendor advisory for details).

Provided and/or discovered by:
Robert Mitchell

Original Advisory:
CheckPoint:
https://secureknowledge.checkpoint.com/SecureKnowledge/login.do?OriginalAction=solution&id=sk34579
http://updates.checkpoint.com/fileserver/ID/8141/FILE/VPN-1_NGX_R65_HFA02_Supplement3.pdf

Robert Mitchell:
http://puresecurity.com.au/index.php?action=fullnews&id=5

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: CheckPoint VPN-1 IP Address Collision Security Issue

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