SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Security)  >   Kerberos Vendors:   MIT
Kerberos Null Pointer Dereference in KDC prep_reprocess_req() Lets Remote Authenticated Users Deny Service
SecurityTracker Alert ID:  1028430
SecurityTracker URL:  http://securitytracker.com/id/1028430
CVE Reference:   CVE-2013-1416   (Links to External Site)
Date:  Apr 16 2013
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5-1.7 to 5-1.11
Description:   A vulnerability was reported in Kerberos. A remote authenticated user can cause denial of service conditions.

A remote authenticated user can send specially crafted Ticket-granting Server (TGS) request to trigger a null pointer dereference in prep_reprocess_req() and cause the target KDC to crash.

Impact:   A remote authenticated user can cause the target KDC to crash.
Solution:   The vendor has issued a fix (5-1.11.2).

The source code fix is available at:

https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81

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

Message History:   This archive entry has one or more follow-up message(s) listed below.
Apr 16 2013 (Red Hat Issues Fix) Kerberos Null Pointer Dereference in KDC prep_reprocess_req() Lets Remote Authenticated Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC