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Category:   Application (Security)  >   Kerberos Vendors:   MIT
Kerberos kadmind Null Pointer Dereference Lets Remote Authenticated Administrators
SecurityTracker Alert ID:  1027119
SecurityTracker URL:  http://securitytracker.com/id/1027119
CVE Reference:   CVE-2012-1013   (Links to External Site)
Date:  Jun 5 2012
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5-1.10
Description:   A vulnerability was reported in Kerberos. A remote authenticated administrative user can cause denial of service conditions.

A remote authenticated administrator with 'create' privileges can trigger a null pointer dereference in kadmind in '/lib/kadm5/srv/svr_principal.c' and cause the target service to crash.

Richard Basch reported this vulnerability.

Impact:   A remote authenticated administrative user can cause denial of service conditions on the target system.
Solution:   The vendor has issued a fix (5-1.10).

The vendor's advisory is available at:

http://web.mit.edu/kerberos/krb5-1.10/

Vendor URL:  web.mit.edu/kerberos/krb5-1.10/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jul 31 2012 (Red Hat Issues Fix) Kerberos kadmind Null Pointer Dereference Lets Remote Authenticated Administrators
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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