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Category:   OS (UNIX)  >   Rpc Vendors:   Sun
Solaris librpcsvc RPC Bug Lets Remote and Local Users Deny Service
SecurityTracker Alert ID:  1018818
SecurityTracker URL:  http://securitytracker.com/id/1018818
CVE Reference:   CVE-2007-5462   (Links to External Site)
Updated:  Mar 19 2008
Original Entry Date:  Oct 15 2007
Impact:   Denial of service via local system, Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

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.

Impact:   A remote user can cause denial of service conditions.

A local user can cause denial of service conditions on the target system.

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/document.do?assetkey=1-26-103082-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-26-103082-1 (Links to External Site)
Cause:   State error

Message History:   None.


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