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		Caldera International, Inc.  Security Advisory

Subject:		Linux: local off by one in cvsd 
Advisory number: 	CSSA-2002-035.0
Issue date: 		2002 August 08
Cross reference:
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1. Problem Description

	There is a locally exploitable vulnerability in the cvsd program.


2. Vulnerable Supported Versions

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

	OpenLinux 3.1.1 Server		prior to cvs-1.11-8.i386.rpm
					prior to cvs-doc-ps-1.11-8.i386.rpm

	OpenLinux 3.1.1 Workstation	prior to cvs-1.11-8.i386.rpm
					prior to cvs-doc-ps-1.11-8.i386.rpm

	OpenLinux 3.1 Server		prior to cvs-1.11-8.i386.rpm
					prior to cvs-doc-ps-1.11-8.i386.rpm

	OpenLinux 3.1 Workstation	prior to cvs-1.11-8.i386.rpm
					prior to cvs-doc-ps-1.11-8.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.caldera.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-035.0/RPMS

4.2 Packages

	446921ba85f2f865d698060ab344d189	cvs-1.11-8.i386.rpm
	11ddbffdbf9310b24364b2b91d851acc	cvs-doc-ps-1.11-8.i386.rpm

	4.3 Installation

	rpm -Fvh cvs-1.11-8.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-8.i386.rpm

	4.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-035.0/SRPMS

4.5 Source Packages

	0e5b474050456ed691d77fc8ce5825be	cvs-1.11-8.src.rpm


5. OpenLinux 3.1.1 Workstation

	5.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2002-035.0/RPMS

5.2 Packages

	d24451d87b1c7424f12bb41d4873c3df	cvs-1.11-8.i386.rpm
	035d93df5ab69f025f7d08a583977658	cvs-doc-ps-1.11-8.i386.rpm

	5.3 Installation

	rpm -Fvh cvs-1.11-8.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-8.i386.rpm

	5.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2002-035.0/SRPMS

5.5 Source Packages

	ba797e325ccc15beff8506f27ee4436e	cvs-1.11-8.src.rpm


6. OpenLinux 3.1 Server

	6.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-035.0/RPMS

6.2 Packages

	1f3a09e4fcc1a8a0d011a6e7fcd0d810	cvs-1.11-8.i386.rpm
	ff3e5b2acdd60e4b0492b212603a0d23	cvs-doc-ps-1.11-8.i386.rpm

	6.3 Installation

	rpm -Fvh cvs-1.11-8.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-8.i386.rpm

	6.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-035.0/SRPMS

6.5 Source Packages

	c54cf8725ca2d24535e3abe86524fcb8	cvs-1.11-8.src.rpm


7. OpenLinux 3.1 Workstation

	7.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2002-035.0/RPMS

7.2 Packages

	cf5125e9586da6217df51051f66eb8d6	cvs-1.11-8.i386.rpm
	4bce0b96a28195c75878515b6a37777d	cvs-doc-ps-1.11-8.i386.rpm

	7.3 Installation

	rpm -Fvh cvs-1.11-8.i386.rpm
	rpm -Fvh cvs-doc-ps-1.11-8.i386.rpm

	7.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2002-035.0/SRPMS

7.5 Source Packages

	05f22c4bfcb98b826fcbb85e1d81f637	cvs-1.11-8.src.rpm


8. References

	Specific references for this advisory:
		http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0081.html

Caldera security resources:
		http://www.caldera.com/support/security/index.html

This security fix closes Caldera incidents sr865452, fz521139,
	erg712068.


9. 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.


10. Acknowledgements

	David Reign (davidreign@hotmail.com) discovered and reported
	this vulnerability. Larry Jones (the maintainer) provided more
	information, and a fix for the issue.