Kerberos kadmind GSS-API 'mechglue' Memory Error Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1017494 |
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SecurityTracker URL: http://securitytracker.com/id/1017494
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CVE Reference:
CVE-2006-6144
(Links to External Site)
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Date: Jan 10 2007
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Impact:
Execution of arbitrary code via network, Root access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 5-1.5 through 5-1.5.1
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Description:
A vulnerability was reported in Kerberos in kadmind. A remote user can execute arbitrary code on the target system.
A remote user can send specially crafted data to trigger a memory management error in the 'mechglue' abstraction interface of the GSS-API implementation and execute arbitrary code on the target system. The code will run with the privileges of the target kadmind service.
A remote user can also cause kadmind to crash.
A remote user can also cause third-party server applications that use the GSS-API library to execute arbitrary code.
The vendor believes that exploitation of this vulnerability is difficult.
The vendor discovered this vulnerability.
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Impact:
A remote user can execute arbitrary code on the target system with the privileges of kadmind.
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Solution:
The vendor has issued a patch, available at:
http://web.mit.edu/kerberos/advisories/2006-003-patch.txt
The vendor also plans to issue fixed versions (krb5-1.6, krb5-1.5.2).
The Kerberos advisory is available at:
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt
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Vendor URL: web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2006-003-mechglue.txt (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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