___________________________________________________________________________

	    Caldera International, Inc. Security Advisory

Subject:		UnixWare 7: cron buffer overflow
Advisory number: 	CSSA-2001-SCO.3
Issue date: 		2001 June, 27
Cross reference:
___________________________________________________________________________



1. Problem Description

	The cron command is vulnerable to a command line argument
	buffer overflow. This could allow a process to execute
	arbitrary code, allowing a malicious user to gain elevated
	privileges.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	UnixWare 7		All		/usr/bin/crontab


3. Workaround

	None.


4. UnixWare 7

  4.1 Location of Fixed Binaries

	ftp://stage.caldera.com/pub/security/unixware/CSSA-2001-SCO.3/


  4.2 Verification

	md5 checksums:
	
	2f00acf514126ad9e8bced6ceb7bb66e	erg711714a.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/erg711714a.Z
	# pkgadd -d /tmp/erg711714a


5. References

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

        This advisory addresses Caldera Security internal incident sr847406.


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.

___________________________________________________________________________