full-disclosure - Security Update: [CSSA-2003-006.0] Linux: CVS double free vulnerability

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Message-ID: <20030131111544.G23136@sco.com>
From: security at caldera.com (security@...dera.com)
Subject: Security Update: [CSSA-2003-006.0] Linux: CVS double free vulnerability

To: bugtraq@...urityfocus.com announce@...ts.caldera.com security-alerts@...uxsecurity.com full-disclosure@...ts.netsys.com

______________________________________________________________________________

			SCO Security Advisory

Subject:		Linux: CVS double free vulnerability
Advisory number: 	CSSA-2003-006.0
Issue date: 		2003 January 31
Cross reference:
______________________________________________________________________________


1. Problem Description

	Double-free vulnerabiity in CVS allows remote attackers to cause
	a denial of service and possibly execute arbitrary code via a
	malformed Directory request.


2. Vulnerable Supported Versions

	System				Package
	----------------------------------------------------------------------

	OpenLinux 3.1.1 Server		prior to cvs-1.11-9.i386.rpm
					prior to cvs-doc-ps-1.11-9.i386.rpm

	OpenLinux 3.1.1 Workstation	prior to cvs-1.11-9.i386.rpm
					prior to cvs-doc-ps-1.11-9.i386.rpm

	OpenLinux 3.1 Server		prior to cvs-1.11-9.i386.rpm
					prior to cvs-doc-ps-1.11-9.i386.rpm

	OpenLinux 3.1 Workstation	prior to cvs-1.11-9.i386.rpm
					prior to cvs-doc-ps-1.11-9.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-2003-006.0/RPMS

	4.2 Packages

	e7a31e41a320f2397d23611600675d6e	cvs-1.11-9.i386.rpm
	676963b0422d0cd95397de77a3b927d1	cvs-doc-ps-1.11-9.i386.rpm

	4.3 Installation

	rpm -Fvh cvs-1.11-9.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-9.i386.rpm

	4.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2003-006.0/SRPMS

	4.5 Source Packages

	da4062b0b49efcabb47c7efb41dc5471	cvs-1.11-9.src.rpm


5. OpenLinux 3.1.1 Workstation

	5.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2003-006.0/RPMS

	5.2 Packages

	73dee39f6543079466e6d7adbac35ec6	cvs-1.11-9.i386.rpm
	129403e58ca353878b09fbbbaaccf645	cvs-doc-ps-1.11-9.i386.rpm

	5.3 Installation

	rpm -Fvh cvs-1.11-9.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-9.i386.rpm

	5.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2003-006.0/SRPMS

	5.5 Source Packages

	9030ced613dc9919f78a3200ea931fdc	cvs-1.11-9.src.rpm


6. OpenLinux 3.1 Server

	6.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2003-006.0/RPMS

	6.2 Packages

	3b3748a8bca4a972c422f43ff7745337	cvs-1.11-9.i386.rpm
	04760b87b35c2a0f72cc41ed9565b47d	cvs-doc-ps-1.11-9.i386.rpm

	6.3 Installation

	rpm -Fvh cvs-1.11-9.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-9.i386.rpm

	6.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2003-006.0/SRPMS

	6.5 Source Packages

	6d87ab953cd4864fe319085b3d2517db	cvs-1.11-9.src.rpm


7. OpenLinux 3.1 Workstation

	7.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2003-006.0/RPMS

	7.2 Packages

	0aa2347beb3bf9e5219dfce2eedb26d8	cvs-1.11-9.i386.rpm
	a646b53a8436c880b4752566223e7156	cvs-doc-ps-1.11-9.i386.rpm

	7.3 Installation

	rpm -Fvh cvs-1.11-9.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-9.i386.rpm

	7.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2003-006.0/SRPMS

	7.5 Source Packages

	6e2cf8a3b250a1373846f4d35ea958ad	cvs-1.11-9.src.rpm


8. References

	Specific references for this advisory:

		http://security.e-matters.de/advisories/012003.html
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0015

	SCO security resources:

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

	This security fix closes SCO incidents sr873732, fz527185,
	erg712206.


9. 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.


10. Acknowledgements

	Stefan Esser <s.esser@...atters.de> discovered and researched
	these vulnerabilities.

______________________________________________________________________________
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