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Category:   Application (Directory)  >   IBM Tivoli Directory Server Vendors:   IBM
IBM Tivoli Directory Server GSKit Flaws Let Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1034846
SecurityTracker URL:  http://securitytracker.com/id/1034846
CVE Reference:   CVE-2015-7420, CVE-2015-7421   (Links to External Site)
Date:  Jan 28 2016
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.3, 6.1, 7.1, 7.2
Description:   Two vulnerabilities were reported in IBM Tivoli Directory Server. A remote user can obtain potentially sensitive information on the target system.

The GSKit PRNG state is duplicated during a fork() system call operation [CVE-2015-7420]. As a result, child processes may generate identical PRNG output to the parent in certain cases.

The GSKit ICC PRNG pool state is duplicated during a fork() system call operation [CVE-2015-7421]. As a reuslt, child processes may generate identical PRNG output to the parent in certain cases.

A remote user may be able to exploit these vulnerabilities to obtain potentially sensitive information.

The vulnerabilities reside in the GSKit 8 component.

Impact:   A remote user can obtain potentially sensitive information on the target system.
Solution:   IBM has issued a fix.

The IBM advisory is available at:

http://www-01.ibm.com/support/docview.wss?uid=isg3T1023277

Vendor URL:  www-01.ibm.com/support/docview.wss?uid=isg3T1023277 (Links to External Site)
Cause:   Randomization error
Underlying OS:  UNIX (AIX)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 11 2016 (IBM Issues Fix for IBM Tivoli Workload Scheduler) IBM Tivoli Directory Server GSKit Flaws Let Remote Users Obtain Potentially Sensitive Information on the Target System
IBM has issued a fix for IBM Tivoli Workload Scheduler.



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