IPSec-tools IKE Processing Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1015254
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SecurityTracker URL: http://securitytracker.com/id?1015254
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CVE Reference: CVE-2005-3732
(Links to External Site)
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Date: Nov 22 2005
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): prior to 0.6.3
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Description: A vulnerability was reported in IPsec-Tools. A remote user can cause denial of service conditions.
The Internet Key Exchange version 1 (IKEv1) implementation does not properly process IKE packets when in aggressive mode. A remote
user can send specially crafted IKE packets to trigger a null pointer dereference and cause the IKE service to crash.
The flaw
resides in 'isakmp_agg.c'.
A test suite developed by the University of Oulu Secure Programming Group (OUSPG) was used to discover
these vulnerabilities.
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Impact: A remote user can cause denial of service conditions on the target system.
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Solution: The vendor has issued a source code fix, available via CVS:
http://cvs.sourceforge.net/viewcvs.py/ipsec-tools/ipsec-tools/src/racoon/isakmp_agg.c?r1=1.20.2.3&r2=1.20.2.4&diff_format=u
The vendor has also issued a fixed version (0.6.3).
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Vendor URL: ipsec-tools.sourceforge.net/ (Links to External Site)
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Cause: Boundary error, Exception handling error
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Underlying OS: Linux (Any), UNIX (Any)
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Reported By: VANHULLEBUS Yvan <vanhu@host.domain>
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: 2005-11-20 06:22
From: VANHULLEBUS Yvan <vanhu@host.domain>
Subject: Potential DoS fixed in ipsec-tools
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[Original Message Not Available for Viewing]
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