Security Update: [CSSA-2001-SCO.3] UnixWare - cron buffer overflow

From: sco-securityat_private
Date: Wed Jun 27 2001 - 16:06:20 PDT

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    ___________________________________________________________________________
    
    	    Caldera International, Inc. Security Advisory
    
    Subject:		UnixWare - 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://ftp.sco.com/pub/security/unixware/sr847406/
    
    
      4.2 Verification
    
    	md5 checksums:
    	
    	2f00acf514126ad9e8bced6ceb7bb66e	erg711714a.Z
    
    
    	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 commands:
    
    	# uncompress /tmp/erg711714a.Z
    	# pkgadd -d /tmp/erg711714a
    
    
    5. References
    
    	http://www.calderasystems.com/support/security/index.html
    
    
    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.
    
    ___________________________________________________________________________
    
    
    
    



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