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Category:   Application (Generic)  >   Java Enterprise System (JES) Vendors:   Sun
(Sun Issues Fix for Java Enterprise System) OpenSSL RSA Signatures Can Be Forged
SecurityTracker Alert ID:  1017124
SecurityTracker URL:  http://securitytracker.com/id/1017124
CVE Reference:   CVE-2006-4339   (Links to External Site)
Date:  Oct 26 2006
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2003Q4, 2004Q2, 2005Q1, 2005Q4
Description:   A vulnerability was reported in OpenSSL. A remote user may be able to forge certain digital signatures. Sun Java Enterprise System is affected.

If an RSA key with exponent 3 is used, a remote user may be able to forge a PKCS #1 v1.5 signature for that key.

Software that uses PKCS #1 v1.5 may be affected. Software that uses OpenSSL to verify X.509 certificates may also be affected.

Daniel Bleichenbacher reported the type of attack that is possible against PKCS #1 v1.5 signatures.
Impact:   A remote user may be able to forge signatures (and certificates).
Solution:   Sun has issued the following fixes for Sun Java Enterprise System.

SPARC Platform

* Sun Java Enterprise System 2004Q2, 2005Q1 and 2005Q4 (for Solaris 8) with patch 119209-10 or later
* Sun Java Enterprise System 2004Q2, 2005Q1 and 2005Q4 (for Solaris 9) with patch 119211-10 or later
* Sun Java Enterprise System 2005Q1 and 2005Q4 (for Solaris 10) with patch 119213-10 or later

x86 Platform

* Sun Java Enterprise System 2004Q2, 2005Q1 and 2005Q4 (for Solaris 9) with patch 119212-10 or later
* Sun Java Enterprise System 2005Q1 and 2005Q4 (for Solaris 10) with patch 119214-10 or later

Linux Platform

* Sun Java Enterprise System 2003Q4, 2004Q2, 2005Q1 and 2005Q4 (for Linux) with patch 121656-10 or later

HP-UX Platform

* Sun Java Enterprise System 2005Q1 and 2005Q4 (for HP-UX) with patch 124379-01 or later

The Sun advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1
Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1 (Links to External Site)
Cause:   Authentication error
Underlying OS:   Linux (Any), UNIX (HP/UX), UNIX (Solaris - SunOS)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 5 2006 OpenSSL RSA Signatures Can Be Forged


 Source Message Contents
Date:  Thu, 26 Oct 2006 01:49:23 -0400
Subject:  Security Vulnerability Issue of Forged RSA Signatures for Java Enterprise System and Solaris



http://sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1

CVE-2006-4339


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