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______________________________________________________________________________

			SCO Security Advisory

Subject:		UnixWare 7.1.4 UnixWare 7.1.3 UnixWare 7.1.1 : cscope local attacker can remove arbitrary files
Advisory number: 	SCOSA-2004.21
Issue date: 		2004 December 09
Cross reference:	sr892179 fz530500 erg712738 CAN-2004-0996
______________________________________________________________________________


1. Problem Description

	Cscope is a developer's tool for browsing source code.

	Cscope creates temporary files with an easily predictable 
	file name. A local attacker could exploit this vulnerability 
	and possibly gain elevated privileges on the system.

	The Common Vulnerabilities and Exposures project
        (cve.mitre.org) has assigned the following name
        CAN-2004-0996 to this issue.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.4 			/usr/ccs/bin/cscope
	UnixWare 7.1.3 			/usr/ccs/bin/cscope
	UnixWare 7.1.1 			/usr/ccs/bin/cscope


3. Solution

	The proper solution is to install the latest packages.


4. UnixWare 7.1.4 / UnixWare 7.1.3 / UnixWare 7.1.1

	4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2004.21


	4.2 Verification

	MD5 (erg712738.pkg.Z) = e8c58dab51cf281cf9f42dbaff363573

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


	4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	Download erg712738.pkg.Z to the /var/spool/pkg directory

	# uncompress /var/spool/pkg/erg712738.pkg.Z
	# pkgadd -d /var/spool/pkg/erg712738.pkg

5. References

	Specific references for this advisory:
		http://xforce.iss.net/xforce/xfdb/18125
		http://www.securityfocus.com/bid/11697
		http://marc.theaimsgroup.com/?l=bugtraq&m=110133485519690&w=2
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0996

	SCO security resources:
		http://www.sco.com/support/security/index.html

	SCO security advisories via email
		http://www.sco.com/support/forums/security.html

	This security fix closes SCO incidents sr892179 fz530500
	erg712738.


6. Disclaimer

	SCO 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 SCO
	products.


7. Acknowledgments

	SCO would like to thank Gangstuck / Psirac <research@rexotec.com>
	who disclosed this vulnerability. Jeremy Bae from STG
	Security Inc <swbae@stgsecurity.com> also disclosed this
	vulnerability to the vendor.

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