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Category:   Application (Security)  >   Kerberos Vendors:   MIT
Kerberos kadmind Can Be Crashed By a Remote Users Conducting an NMAP Scan
SecurityTracker Alert ID:  1025320
SecurityTracker URL:  http://securitytracker.com/id/1025320
CVE Reference:   CVE-2011-0285   (Links to External Site)
Updated:  Apr 13 2011
Original Entry Date:  Apr 12 2011
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): krb5-1.7 - krb5-1.9
Description:   A vulnerability was reported in Kerberos. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to cause the target kadmind service to free an invalid pointer and crash.

A demonstration exploit command is provided:

nmap -n -sV [target]

The original advisory is available at:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726

Felipe Ortega reported this vulnerability.

Impact:   A remote user can cause kadmind to crash.
Solution:   The vendor has issued a patch, available at:

http://web.mit.edu/kerberos/advisories/2011-004-patch.txt

The vendor's advisory is available at:

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt

Vendor URL:  web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-004.txt (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.
Apr 14 2011 (Red Hat Issues Fix) Kerberos kadmind Can Be Crashed By a Remote Users Conducting an NMAP Scan   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



 Source Message Contents

Date:  Tue, 12 Apr 2011 05:02:33 +0000
Subject:  Kerberos


http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621726


 
 


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