Solaris sshd Timeout Mechanism Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1023235 |
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SecurityTracker URL: http://securitytracker.com/id/1023235
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Nov 24 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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Version(s): 10, OpenSolaris snv_99 through snv_123
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Description:
A vulnerability was reported in Solaris. A remote user can cause denial of service conditions.
A remote user can exploit a flaw in the timeout monitor function in Solaris sshd(1M) to cause dangling threads. This can be exploited to cause the sshd daemon to stop accepting new ssh connections.
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Impact:
A remote user can prevent new ssh connections.
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Solution:
The vendor has issued a fix.
SPARC Platform
* Solaris 10 with patch 143140-01 or later
* OpenSolaris based upon builds snv_124 or later
x86 Platform
* Solaris 10 5/09 (or later) with patch 141525-06 or later
* OpenSolaris based upon builds snv_124 or later
The vendor's advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-272629-1
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Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-66-272629-1 (Links to External Site)
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Cause:
State error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Tue, 24 Nov 2009 19:43:00 +0000
Subject: http://sunsolve.sun.com/search/document.do?assetkey=1-66-272629-1
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Security Vulnerability in the Timeout Mechanism of Solaris sshd(1M) may Lead to a Denial of Service (DoS)
272629
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