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			SCO Security Advisory

Subject:		OpenServer 5.0.7 OpenServer 6.0.0 : CUPS Multiple Buffer Overflow Vulnerabilities
Advisory number: 	SCOSA-2006.20
Issue date: 		2006 April 18
Cross reference:	fz533446
			CVE-2005-3191 CVE-2005-3192 CVE-2005-3193 
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1. Problem Description

	Some vulnerabilities have been reported in CUPS, which can
	be exploited by malicious people to cause a DoS (Denial of
	Service) and potentially to compromise a vulnerable system.
	
	The vulnerabilities are caused due to the use of a vulnerable
	version of Xpdf.
	
	The Common Vulnerabilities and Exposures project
	(cve.mitre.org) has assigned the names CVE-2005-3191,
	CVE-2005-3192, and CVE-2005-3193 to these issues.


2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	OpenServer 5.0.7 		Cups package
	OpenServer 6.0.0 		Cups package


3. Solution

	The proper solution is to install the latest packages.


4. OpenServer 5.0.7

	4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.20


	4.2 Verification

	MD5 (p533446.507_vol.tar) = 6150ddaec1548e98e543ae030b2c9de4

	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:

	1) Download p533446.507_vol.tar to a directory.

	2) Extract VOL* files.

	   # tar xvf p533446.507_vol.tar

	3) Run the custom command, specify an install
	   from media images, and specify the directory as
	   the location of the images.


5. OpenServer 6.0.0

	5.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.20


	5.2 Verification

	MD5 (p533446.600_vol.tar) = c4e87cee43acf3e6a55d0416601c92a6

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


	5.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	1) Download p533446.600_vol.tar to a directory.

	2) Extract VOL* files.

	   # tar xvf p533446.600_vol.tar

	3) Run the custom command, specify an install
	   from media images, and specify the directory as
	   the location of the images.


6. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3191
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3192
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3193
		http://secunia.com/advisories/17976/

	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 fz533446.


7. 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.


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