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Category:   Application (Security)  >   Kerberos Vendors:   MIT
(Ubuntu Issues Fix) MIT Kerberos recvauth_common() Message Handling Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1034144
SecurityTracker URL:  http://securitytracker.com/id/1034144
CVE Reference:   CVE-2014-5355   (Links to External Site)
Date:  Nov 13 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5-1.13.1 and prior
Description:   A vulnerability was reported in MIT Kerberos. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to trigger a null pointer dereference or memory read error in the recvauth_common() function in the krb5_recvauth code and cause the target service to crash.

Tim Uglow reported this vulnerability.

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

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2810-1

Vendor URL:  www.ubuntu.com/usn/usn-2810-1 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 15.04, 15.10

Message History:   This archive entry is a follow-up to the message listed below.
Feb 18 2015 MIT Kerberos recvauth_common() Message Handling Flaw Lets Remote Users Deny Service



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