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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
Red Hat OpenSSL Locking Error in ssleay_rand_bytes() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1032587
SecurityTracker URL:  http://securitytracker.com/id/1032587
CVE Reference:   CVE-2015-3216   (Links to External Site)
Date:  Jun 16 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenSSL on Red Hat. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted data to a target multi-threaded application that uses OpenSSL to trigger an out-of-bounds memory read error in ssleay_rand_bytes() and cause the application to crash.

Johannes Bauer reported this vulnerability.

Impact:   A remote user can cause the target application to crash.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2015-1115.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2015-1115.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (CentOS), Linux (Red Hat Enterprise)
Underlying OS Comments:  RHEL 6, 7; CentOS 6, 7

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 16 2015 (CentOS Issues Fix) Red Hat OpenSSL Locking Error in ssleay_rand_bytes() Lets Remote Users Deny Service
CentOS has issued a fix for CentOS 6 and 7.
Aug 6 2015 (IBM Issues Fix for IBM Security Network IPS) Red Hat OpenSSL Locking Error in ssleay_rand_bytes() Lets Remote Users Deny Service
IBM has issued a fix for IBM Security Network IPS.
Sep 9 2015 (IBM Issues Fix for IBM Security Proventia Network Enterprise Scanner) Red Hat OpenSSL Locking Error in ssleay_rand_bytes() Lets Remote Users Deny Service
IBM has issued a fix for IBM Security Proventia Network Enterprise Scanner.



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