Solaris librpcsvc RPC Bug Lets Remote and Local Users Deny Service
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SecurityTracker Alert ID: 1018818
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SecurityTracker URL: http://securitytracker.com/id?1018818
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CVE Reference: CVE-2007-5462
(Links to External Site)
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Updated: Mar 19 2008
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Original Entry Date: Oct 15 2007
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Impact: Denial of service via local system, Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Advisory: Sun Alert
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Description: A vulnerability was reported in the Solaris RPC services library. A remote user can cause denial of service conditions. A local user can cause denial of service conditions.
A local user can exploit a flaw in librpcsvc(3LIB) and invoke the automountd(1M) service to access a remote NFS server that exports
a large number of file systems, causing the automountd(1M) daemon to consume all available stack memory and crash.
A remote user
on an NFS server that exports a large number of file systems can exploit this flaw to crash the mountd(1M) daemon.
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Impact: A remote user can cause denial of service conditions.
A local user can cause denial of service conditions on the target system.
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Solution: Sun has issued the following fixes.
SPARC Platform
* Solaris 8 with patch 127548-01 or later
* Solaris 9 with patch
123396-01 or later
* Solaris 10 with patch 124444-01 or later
x86 Platform
* Solaris 8 with patch 127549-01 or later
* Solaris 9 with patch 123397-01 or later
* Solaris 10 with patch 124445-01 or later
The Sun advisory is available at:
http://sunsolve.sun.com/search/docume
nt.do?assetkey=1-26-103082-1
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Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-26-103082-1 (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: Mon, 15 Oct 2007 16:09:00 -0400
Subject: Security Vulnerability in the Solaris RPC Services Library (librpcsvc(3LIB)) may Lead to a Denial of Service (DoS) Against Networked File Systems
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http://sunsolve.sun.com/search/document.do?assetkey=1-26-103082-1
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