Security Update: [CSSA-2002-SCO.22] OpenServer 5.0.5 OpenServer 5.0.6 : scoadmin command creates temporary files insecurely

From: securityat_private
Date: Tue May 28 2002 - 16:07:42 PDT

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    ______________________________________________________________________________
    
    		Caldera International, Inc.  Security Advisory
    
    Subject:		OpenServer 5.0.5 OpenServer 5.0.6 : scoadmin command creates temporary files insecurely
    Advisory number: 	CSSA-2002-SCO.22
    Issue date: 		2002 May 28
    Cross reference:
    ______________________________________________________________________________
    
    
    1. Problem Description
    
    	The scoadmin command creates and uses temporary files
    	insecurely. Names can be predicted, and spoofed with symbolic
    	links.
    
    
    2. Vulnerable Supported Versions
    
    	System				Binaries
    	----------------------------------------------------------------------
    	OpenServer 5.0.5		/etc/sysadm.d/lib/sysadm.tlib
    					/etc/sysadm.d/lib/sysadm.tndx
    	OpenServer 5.0.6		/etc/sysadm.d/lib/sysadm.tlib
    					/etc/sysadm.d/lib/sysadm.tndx
    
    
    3. Solution
    
    	The proper solution is to install the latest packages.
    
    
    4. OpenServer 5.0.5
    
    	4.1 Location of Fixed Binaries
    
    	ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.22
    
    
    	4.2 Verification
    
    	MD5 (VOL.000.000) = 814cc4af8e653baf220f2a94b23ff741
    
    	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:
    
    	1) Download the VOL* files to the /tmp directory
    
    	Run the custom command, specify an install from media images,
    	and specify the /tmp directory as the location of the images.
    
    
    5. OpenServer 5.0.6
    
    	5.1 Location of Fixed Binaries
    
    	ftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.22
    
    
    	5.2 Verification
    
    	MD5 (VOL.000.000) = 814cc4af8e653baf220f2a94b23ff741
    
    	md5 is available for download from
    		ftp://stage.caldera.com/pub/security/tools/
    
    
    	5.3 Installing Fixed Binaries
    
    	Upgrade the affected binaries with the following commands:
    
    	1) Download the VOL* files to the /tmp directory
    
    	Run the custom command, specify an install from media images,
    	and specify the /tmp directory as the location of the images.
    
    
    6. References
    
    	Specific references for this advisory:
    		none
    
    	Caldera UNIX security resources:
    		http://stage.caldera.com/support/security/
    
    	Caldera OpenLinux security resources:
    		http://www.caldera.com/support/security/index.html
    
    	This security fix closes Caldera incidents sr847944,
    	SCO-1-233, erg711739.
    
    
    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
    
    	Kevin Finisterre (dotslashat_private) discovered and
    	researched this vulnerability.
    
    ______________________________________________________________________________
    
    
    



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