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Category:   Application (Security)  >   Racoon Vendors:   KAME Project
Racoon Input Validation Error in ISAKMP Generic Header Length Field Lets Remote Users Deny Service
SecurityTracker Alert ID:  1013433
SecurityTracker URL:  http://securitytracker.com/id/1013433
CVE Reference:   CVE-2005-0398   (Links to External Site)
Date:  Mar 15 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Racoon in the parsing of ISAKMP headers. A remote user can cause the target process to crash.

The software does not properly validate the length field in the user-supplied generic header. A remote user can send a specially crafted header to cause the target ISAKMP service to crash. A remote server can also send a specially crafted header to a connected initiator to cause the initiator's ISAKMP service to crash. Authentication is not required.

ISKMP inform, quick, and base modes are affected.

The flaw resides in 'isakmp_quick.c', 'oakley.c', 'ipsec_doi.c', and 'isakmp.c'.

Impact:   A remote user can cause the target Racoon ISAKMP process to crash.
Solution:   The vendor issued a fix as part of the KAME snapshot on March 14, 2005, available at:

http://www.kame.net/snap-users/

Vendor URL:  www.kame.net/racoon/ (Links to External Site)
Cause:   Boundary error, Exception handling error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 24 2005 (IPSec-Tools Issues Fix) Racoon Input Validation Error in ISAKMP Generic Header Length Field Lets Remote Users Deny Service
A fixed version of IPSec-Tools is available.



 Source Message Contents



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