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	    Caldera International, Inc. Security Advisory

Subject:		UnixWare: statd buffer overflow
Advisory number: 	CSSA-2001-SCO.6
Issue date: 		2001 July 2
Cross reference:
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1. Problem Description
	
	The nfs daemon /usr/lib/nfs/statd (otherwise known as
	rpc.statd) was subject to a buffer overflow problem with the
	SM_MON request that could be used by a malicious user to gain
	unauthorized access to a system.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	UnixWare 7		All		/usr/lib/nfs/statd


3. Workaround

	None.


4. UnixWare 7

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/unixware/CSSA-2001-SCO.6/


  4.2 Verification

	md5 checksums:
	
	1e09711ec683f5f4e1626ef9d7131bd8	erg711747a.Z


	md5 is available for download from

		ftp://stage.caldera.com/pub/security/tools/


  4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:

	# uncompress /tmp/erg711747a.Z
	# pkgadd -d /tmp/erg711747a


5. References

        This, and other advisories are located at
                http://stage.caldera.com/support/security

        This advisory addresses Caldera Security internal incident sr848098.


6. Disclaimer

	Caldera International, Inc. is not responsible for the misuse
	of any of the information we provide on our website and/or
	through our security advisories. Our advisories are a service
	to our customers intended to promote secure installation and
	use of Caldera International, Inc. products.


7.Acknowledgements

	Caldera International wishes to thank Olaf Kirch
	(okir@caldera.de) for reporting the problem.
	 
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