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Category:   OS (UNIX)  >   IBM AIX Vendors:   IBM
(IBM Issues Fix for IBM AIX NAS) MIT Kerberos recvauth_common() Message Handling Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1032384
SecurityTracker URL:  http://securitytracker.com/id/1032384
CVE Reference:   CVE-2014-5355   (Links to External Site)
Date:  May 22 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.3, 6.1, 7.1
Description:   A vulnerability was reported in MIT Kerberos. A remote user can cause denial of service conditions. IBM AIX NAS is affected.

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:   IBM has issued an advisory for IBM AIX NAS.

The IBM advisory is available at:

http://aix.software.ibm.com/aix/efixes/security/nas_advisory3.asc

Vendor URL:  web.mit.edu/kerberos/ (Links to External Site)
Cause:   Access control error, Input validation error

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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