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Category:   Application (Security)  >   Kerberos Vendors:   MIT
(Oracle Issues Fix for Solaris) Kerberos Null Pointer Dereference in KDC PKINIT Code Lets Remote Users Deny Service
SecurityTracker Alert ID:  1029099
SecurityTracker URL:  http://securitytracker.com/id/1029099
CVE Reference:   CVE-2012-1016   (Links to External Site)
Date:  Sep 26 2013
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5-1.10.4
Description:   A vulnerability was reported in MIT Kerberos. A remote user can cause denial of service conditions.

A remote user can send a specially crafted Draft 9 request to trigger a null pointer dereference in the pkinit_server_return_padata() function in plugins/preauth/pkinit/pkinit_srv.c and cause the target Kerberos server to crash.

Impact:   A remote user can cause the target Kerberos service to crash.
Solution:   Oracle has issued a fix.

The Oracle advisory is available at:

https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_the_pkinit

Vendor URL:  web.mit.edu/kerberos/www/krb5-1.10/ (Links to External Site)
Cause:   Access control error
Underlying OS:  UNIX (Solaris - SunOS)
Underlying OS Comments:  11.1

Message History:   This archive entry is a follow-up to the message listed below.
Mar 18 2013 Kerberos Null Pointer Dereference in KDC PKINIT Code Lets Remote Users Deny Service



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