SecurityTracker.com
Keep Track of the Latest Vulnerabilities
with SecurityTracker!
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 
Sign Up
Sign Up for Your FREE Weekly SecurityTracker E-mail Alert Summary
Instant Alerts
Buy our Premium Vulnerability Notification Service to receive customized, instant alerts
Affiliates
Put SecurityTracker Vulnerability Alerts on Your Web Site -- It's Free!
Partners
Become a Partner and License Our Database or Notification Service
Report a Bug
Report a vulnerability that you have found to SecurityTracker
bugs
@
securitytracker.com






Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
(IBM Issues Fix) OpenSSL CMS_verify() Error Handling Flaw Lets Users Bypass Security Checks
SecurityTracker Alert ID:  1022200
SecurityTracker URL:  http://securitytracker.com/id/1022200
CVE Reference:   CVE-2009-0591   (Links to External Site)
Date:  May 11 2009
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:   IBM has issued a fix for AIX (OpenSSL AIX version 0.9.8.803), available at:

https://www14.software.ibm.com/webapp/iwm/web/preLogin.do?source=aixbp

The IBM advisory is available at:

http://aix.software.ibm.com/aix/efixes/security/ssl_advisory.asc

Vendor URL:  www.openssl.org/news/secadv_20090325.txt (Links to External Site)
Cause:   Authentication error, State error
Underlying OS:  UNIX (AIX)
Underlying OS Comments:  5.2, 5.3, 6.1

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



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

Copyright 2016, SecurityGlobal.net LLC