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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(HP Issues Fix for OpenVMS) OpenSSL CMS_verify() Error Handling Flaw Lets Users Bypass Security Checks
SecurityTracker Alert ID:  1024111
SecurityTracker URL:  http://securitytracker.com/id/1024111
CVE Reference:   CVE-2009-0591   (Links to External Site)
Date:  Jun 17 2010
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.9.8h - 0.9.8j
Description:   A vulnerability was reported in OpenSSL. A remote user can bypass certain security checks.

A remote user with access to a signer's private key can generate a specially crafted signature that is not valid but will be detected as valid. The vulnerability resides in the CMS_verify() function in the handling of an error condition with specially crafted signed attributes.

Only CMS users are affected.

Ivan Nestlerode reported this vulnerability.

Impact:   A remote user can create an invalid signature that will be determined to be a valid signature.
Solution:   HP has issued a fix (HP SSL v 1.4 for OpenVMS Alpha and Integrity).

The HP advisory is available at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02227287

Vendor URL:  www.openssl.org/news/secadv_20090325.txt (Links to External Site)
Cause:   Authentication error, State error
Underlying OS:   OpenVMS

Message History:   This archive entry is a follow-up to the message listed below.
Mar 25 2009 OpenSSL CMS_verify() Error Handling Flaw Lets Users Bypass Security Checks



 Source Message Contents

Date:  Thu, 17 Jun 2010 03:56:57 +0000
Subject:  HPSBOV02540 SSRT090249 rev.1 - HP SSL for OpenVMS, Remote Unauthorized Data Injection, Denial of Service(Dos)


http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02227287

CVE-2008-5077, CVE-2009-0590, CVE-2009-0591, CVE-2009-0789, CVE-2009-3245

 
 


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