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Insecure Library Loading
Moderately critical

IPsec-Tools ISAKMP IKE Message Processing Denial of Service

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Release Date:  2005-11-22    Last Update:  2006-01-19    Views:  16,156

Secunia Advisory SA17668

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


A vulnerability has been reported in IPsec-Tools, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a NULL pointer dereferencing error when processing certain ISAKMP packets in aggressive mode.

The vulnerability is related to:
SA17553

Successful exploitation requires a weak racoon configuration (e.g. no lifetime proposal or obey mode), and using 3DES/SHA1/DH2.


Solution:
Update to version 0.6.3.

Further details available to Secunia VIM customers

Provided and/or discovered by:
The vendor credits Adrian Portelli.

Original Advisory:
http://sourceforge.net/mailarchive/forum.php?thread_id=9017454&forum_id=32000
http://sourceforge.net/project/shownotes.php?release_id=372605&group_id=74601

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: IPsec-Tools ISAKMP IKE Message Processing Denial of Service

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