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Category:   Application (Security)  >   Kerberos Vendors:   Novell
(Novell Issues Fix) Kerberos kadmin/KDC Stack Overflow in krb5_klog_syslog() Lets Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017880
SecurityTracker URL:  http://securitytracker.com/id/1017880
CVE Reference:   CVE-2007-0957   (Links to External Site)
Date:  Apr 5 2007
Impact:   Execution of arbitrary code via network, Root access via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Kerberos in the administration daemon and the KDC. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can send specially crafted data to trigger a stack overflow in the krb5_klog_syslog() function and execute arbitrary code on the target system. The code will run with the privileges of the target service, which typically runs with root privileges. This can compromise the Kerberos key database.

The vulnerability resides in the kadm5 library. As a result, third party applications that use the library may be affected.

The vendor credits iDefense with reporting this vulnerability.

Impact:   A remote authenticated user can execute arbitrary code on the target system, typically with root level privileges.
Solution:   Novell has issued a fix (Novell Kerberos KDC 1.0.2), available at:

http://download.novell.com

The Novell advisory is available at:

https://secure-support.novell.com/KanisaPlatform/Publishing/150/3618705_f.SAL_Public.html

Vendor URL:  web.mit.edu/kerberos/advisories/MITKRB5-SA-2007-002-syslog.txt (Links to External Site)
Cause:   Boundary error
Underlying OS:  

Message History:   This archive entry is a follow-up to the message listed below.
Apr 3 2007 Kerberos kadmin/KDC Stack Overflow in krb5_klog_syslog() Lets Remote Authenticated Users Execute Arbitrary Code



 Source Message Contents

Date:  Thu, 5 Apr 2007 11:56:53 -0400
Subject:  Novell



https://secure-support.novell.com/KanisaPlatform/Publishing/150/3618705_f.SAL_Public.html

CVE-2007-0957
 
 


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