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Secunia Advisory SA10621

Racoon Arbitrary Security Association Deletion Vulnerability
Secunia Advisory SA10621
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Release Date 2004-01-14
Last Update 2004-05-12
   
Popularity 10,479 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Manipulation of data
DoS
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Software:
KAME Racoon
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2004-0164 CVSS available in Customer Area
  

Description

Thomas Walpuski has reported a vulnerability in KAME Racoon, which can be exploited by malicious people to cause a DoS (Denial of Service) on users' connections.

The vulnerability is caused due to errors in the authentication of delete messages and in the handling of "INITIAL-CONTACT" notifications. These make it possible to perform unauthorised deletion of IPsec and ISAKMP Security Associations (SAs), which are used to describe how communicating entities should use security services.

All versions of Racoon are reportedly affected.


Solution
This has reportedly been fixed in revision 1.83 of "isakmp_inf.c" available in the CVS repository.
Further details available in Customer Area

Provided and/or discovered by
Thomas Walpuski

Changelog
Further details available in Customer Area

Deep Links
Links available in Customer Area


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: Racoon Arbitrary Security Association Deletion Vulnerability
 
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