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	    Caldera International, Inc. Security Advisory

Subject:		UnixWare: packaging tool exploits
Advisory number: 	CSSA-2001-SCO.5
Issue date: 		2001 June 29
Cross reference:
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1. Problem Description

	The packaging tools can be exploited to print /etc/shadow,
	leading to a probable root compromise.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	UnixWare 7		All		/usr/bin/pkginfo
						/usr/bin/pkgparam
						/usr/bin/pkgtrans
						/usr/sbin/pkgadd
						/usr/sbin/pkgcat
						/usr/sbin/pkginstall
						/usr/sbin/pkgrm
							

3. Workaround

	None.


4. UnixWare 7

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/unixware/CSSA-2001-SCO.5/


  4.2 Verification

	md5 checksums:
	
	5d75084d724882c4baad12a255c00776	erg711743.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/erg711743a.Z
	# pkgadd -d /tmp/erg711743a


5. References

	http://www.technotronic.com/xnec/
	http://www.calderasystems.com/support/security/index.html

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

        This advisory addresses Caldera Security internal incident sr847997.


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 Brock Tellier
	(btellier@usa.net) for his analysis and help concerning this
	issue.

	In addition, an acknowledgement to Mr. Tellier was
	inadvertently omitted from advisory [CSSA-2001-SCO.1].
	 
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