Solaris Kerberos Incremental Propagation Timeout Failure Lets Certain Remote Users Deny Service
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SecurityTracker Alert ID: 1021851 |
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SecurityTracker URL: http://securitytracker.com/id/1021851
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CVE Reference:
CVE-2009-0923
(Links to External Site)
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Updated: Apr 2 2009
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Original Entry Date: Mar 17 2009
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Description:
A vulnerability was reported in Solaris Kerberos. A remote user can cause denial of service conditions.
The Kerberos Incremental Propagation daemon (kpropd) does not properly timeout. A remote user on a system that can access a master Key Distribution Center (KDC) server can prevent propagation of incremental propagation requests to slave KDC servers.
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Impact:
A remote user on a system that can access a master Key Distribution Center (KDC) server can prevent propagation of incremental propagation requests to slave KDC servers.
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Solution:
Sun has issued the following fixes.
SPARC Platform
* Solaris 10 with patch 138371-05 or later
* Opensolaris based upon build snv_111 or later
x86 Platform
* Solaris 10 with patch 138372-05 or later
* Opensolaris based upon build snv_111 or later
The vendor's advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-249926-1
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Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-66-249926-1 (Links to External Site)
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Cause:
State error
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Underlying OS:
UNIX (Solaris - SunOS)
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Message History:
None.
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Source Message Contents
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Date: Tue, 17 Mar 2009 06:41:10 -0500
Subject: http://sunsolve.sun.com/search/document.do?assetkey=1-66-249926-1
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249926
A Security Vulnerability in Kerberos Incremental Propagation May Lead to a Denial of Service (DoS) Against Slave KDC Systems
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