full-disclosure - OpenLinux: Integer overflow may allow local users to cause a denial of service or possibly execute arbitrary code

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Message-ID: <20040302023852.CCF36260DB@helix.pdev.ca.sco.com>
From: please_reply_to_security at sco.com (please_reply_to_security@....com)
Subject: OpenLinux: Integer overflow may allow local users to cause a denial of service or possibly execute arbitrary code

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______________________________________________________________________________

			SCO Security Advisory

Subject:		OpenLinux: Integer overflow may allow local users to cause a denial of service or possibly execute arbitrary code
Advisory number: 	CSSA-2004-006.0
Issue date: 		2004 March 01
Cross reference: 	sr886799 fz528469 erg712481 CAN-2003-0854 CAN-2003-0853
______________________________________________________________________________


1. Problem Description

	The Common Vulnerabilities and Exposures project (cve.mitre.org)
	has assigned the following names to these issues: 

	CAN-2003-0854	ls in the fileutils or coreutils packages allows 
	local users to consume a large amount of memory via a large -w 
	value, which can be remotely exploited via applications that use 
	ls, such as wu-ftpd. 

	CAN-2003-0853 An integer overflow in ls in the fileutils or 
	coreutils packages may allow local users to cause a denial of 
	service or execute arbitrary code via a large -w value, which 
	could be remotely exploited via applications that use ls, such 
	as wu-ftpd.


2. Vulnerable Supported Versions

	System				Package
	----------------------------------------------------------------------
	OpenLinux 3.1.1 Server		prior to fileutils-4.1-6.i386.rpm
	OpenLinux 3.1.1 Workstation	prior to fileutils-4.1-6.i386.rpm


3. Solution

	The proper solution is to install the latest packages. Many
	customers find it easier to use the Caldera System Updater, called
	cupdate (or kcupdate under the KDE environment), to update these
	packages rather than downloading and installing them by hand.


4. OpenLinux 3.1.1 Server

	4.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2004-006.0/RPMS

	4.2 Packages

	ac55e0177cfef608523de3aafbe245a3	fileutils-4.1-6.i386.rpm

	4.3 Installation

	rpm -Fvh fileutils-4.1-6.i386.rpm

	4.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2004-006.0/SRPMS

	4.5 Source Packages

	e558c5ef3465c06fad85ec4c880a5d04	fileutils-4.1-6.src.rpm


5. OpenLinux 3.1.1 Workstation

	5.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2004-006.0/RPMS

	5.2 Packages

	7cc40a37a1326b93a1da82737dc37483	fileutils-4.1-6.i386.rpm

	5.3 Installation

	rpm -Fvh fileutils-4.1-6.i386.rpm

	5.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2004-006.0/SRPMS

	5.5 Source Packages

	d04bac53f3bf74e53d96061e201f36b0	fileutils-4.1-6.src.rpm


6. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0854
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0853
		http://lists.netsys.com/pipermail/full-disclosure/2003-October/012548.html
		http://www.guninski.com/binls.html


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

	This security fix closes SCO incidents sr886799 fz528469
	erg712481.


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.


8. Acknowledgements

	SCO would like to thank Georgi Guninski

______________________________________________________________________________
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