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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(HP Issues Fix for HP-UX) OpenSSL J-PAKE Validation Error Lets Remote Users Validate Without Shared Secret Key
SecurityTracker Alert ID:  1025151
SecurityTracker URL:  http://securitytracker.com/id/1025151
CVE Reference:   CVE-2010-4252   (Links to External Site)
Date:  Mar 3 2011
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.0 to prior to 1.0.0c
Description:   A vulnerability was reported in OpenSSL. A remote user can validate without the shared secret key.

A remote user can exploit a flaw in the J-PAKE implementation to successfully validate without having the shared secret.

The experimental J-PAKE code is not compiled by default.

The original advisory is available at:

http://seb.dbzteam.org/crypto/jpake-session-key-retrieval.pdf

Sebastian Martini reported this vulnerability.

Impact:   A remote user can validate without the shared secret key.
Solution:   HP has issued a fix for HP-UX (OpenSSL A.00.09.08q).

The HP advisory is available at:

https://www11.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02737002

Vendor URL:  openssl.org/news/secadv_20101202.txt (Links to External Site)
Cause:   Authentication error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  B.11.11, B.11.23, B.11.31

Message History:   This archive entry is a follow-up to the message listed below.
Dec 3 2010 OpenSSL J-PAKE Validation Error Lets Remote Users Validate Without Shared Secret Key



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