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	    Caldera International, Inc. Security Advisory

Subject:		Open Unix: lpsystem buffer overflow
Advisory number: 	CSSA-2001-SCO.15
Issue date: 		2001 August 28
Cross reference:
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1. Problem Description
	
	A long argument to /usr/sbin/lpsystem can cause lpsystem to
	have a segmentation violation. This might be used by an
	unauthorized user to gain privilege.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	Open Unix		8.0.0		/usr/sbin/lpsystem


3. Workaround

	None.


4. Open Unix

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/openunix/CSSA-2001-SCO.15/


  4.2 Verification

	md5 checksums:

	f2048bf92f7a55e13d2c3fb1ae8670d4	erg711789a.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/erg711789a.Z
	# pkgadd -d /tmp/erg711789a


5. References

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

        This advisory addresses Caldera Security internal incident sr847408.


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 products.


7.Acknowledgements

	Caldera International wishes to thank KF <dotslash@snosoft.com>
	for discovering and reporting this problem.
	 
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