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______________________________________________________________________________

		Caldera International, Inc.  Security Advisory

Subject:		UnixWare 7.1.1 Open UNIX 8.0.0 : command line buffer overflow in ndcfg
Advisory number: 	CSSA-2002-SCO.36
Issue date: 		2002 August 21
Cross reference:
______________________________________________________________________________


1. Problem Description

	The ndcfg command raises its privileges with the security
	subsystem (as opposed to being setuid), and has a buffer
	overlow in its command line processing. This could allow a
	malicious user to run code of their choice with raised
	privileges.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.1			/usr/lib/netcfg/bin/ndcfg
	Open UNIX 8.0.0			/usr/lib/netcfg/bin/ndcfg


3. Solution

	The proper solution is to install the latest packages.


4. UnixWare 7.1.1

	4.1 Location of Fixed Binaries

	ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.36


	4.2 Verification

	MD5 (erg712108.pkg.Z) = f8530ac78e14157fd134fd1f0846ba3c

	md5 is available for download from
		ftp://ftp.caldera.com/pub/security/tools


	4.3 Installing Fixed Binaries

		Upgrade the affected binaries with the following commands:

	Download erg712108.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712108.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712108.pkg


5. Open UNIX 8.0.0

	5.1 Location of Fixed Binaries

	ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.36


	5.2 Verification

	MD5 (erg712108.pkg.Z) = f8530ac78e14157fd134fd1f0846ba3c

	md5 is available for download from
		ftp://ftp.caldera.com/pub/security/tools


	5.3 Installing Fixed Binaries

		Upgrade the affected binaries with the following commands:

	Download erg712108.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712108.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712108.pkg


6. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0981

	Caldera security resources:
		http://www.caldera.com/support/security/index.html

	This security fix closes Caldera incidents sr868384, fz525920,
	erg712108.


7. Disclaimer

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


8. Acknowledgements

	This issue was discovered during an internal security audit.

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