strongSwan IKE_SA_INIT Null Pointer Dereference Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1020903 |
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SecurityTracker URL: http://securitytracker.com/id/1020903
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CVE Reference:
CVE-2008-4551
(Links to External Site)
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Updated: Oct 16 2008
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Original Entry Date: Sep 22 2008
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): prior to 4.2.7
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Description:
A vulnerability was reported in strongSwan. A remote user can cause denial of service conditions.
A remote user can send a specially crafted IKE_SA_INIT message to trigger a null pointer dereference in the mpz_export() function and cause the target service to crash.
The vendor was notified on September 16, 2008.
Mu Dynamics research team reported this vulnerability.
The original advisory is available at:
http://labs.mudynamics.com/advisories/MU-200809-01.txt
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Impact:
A remote user can cause the target service to crash.
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Solution:
The vendor has issued a fixed version (4.2.7).
The vendor's advisory is available at:
http://wiki.strongswan.org/changeset/4345
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Vendor URL: strongswan.org/ (Links to External Site)
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Cause:
Input validation error, State error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 22 Sep 2008 09:17:00 -0400
Subject: strongSwan IKEv2 Denial-of-Service Vulnerability [MU-200809-01]
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http://labs.mudynamics.com/advisories/MU-200809-01.txt
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