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Category:   Application (Security)  >   Kerberos Vendors:   MIT
(HP Issues Fix for OpenVMS) Kerberos KDC Double-Free Bug Lets Remote Users Deny Service, Obtain Information, or Execute Arbitrary Code
SecurityTracker Alert ID:  1025498
SecurityTracker URL:  http://securitytracker.com/id/1025498
CVE Reference:   CVE-2008-0062   (Links to External Site)
Date:  May 6 2011
Impact:   Denial of service via network, Disclosure of system information, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Kerberos KDC. A remote user can cause denial of service conditions, obtain information, or execute arbitrary code.

A remote user can send a specially crafted Kerberos 4 message to trigger a null pointer dereference, causing the target KDC to crash or return portions of arbitrary memory locations as part of an error message. The remote user can also trigger a double-free to potentially execute arbitrary code.

Impact:   A remote user can cause the target KDC to crash, disclose information, or execute arbitrary code.
Solution:   HP has issued a fix (3.2) for OpenVMS Alpha and OpenVMS Integrity servers, available at:

http://h71000.www7.hp.com/openvms/products/kerberos

The HP advisory is available at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02824440

Vendor URL:  web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-001.txt (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  OpenVMS

Message History:   This archive entry is a follow-up to the message listed below.
Mar 18 2008 Kerberos KDC Double-Free Bug Lets Remote Users Deny Service, Obtain Information, or Execute Arbitrary Code



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