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Security Update: [CSSA-2002-014.0] Linux: rsync supplementary groups vulnerability


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Date: Wed, 3 Apr 2002 16:10:50 -0800
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2002-014.0] Linux: rsync supplementary groups vulnerability

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To: [email protected] [email protected] security-alerts@li=
nuxsecurity.com

___________________________________________________________________________=
___

		Caldera International, Inc.  Security Advisory

Subject:		Linux: rsync supplementary groups vulnerability
Advisory number: 	CSSA-2002-014.0
Issue date: 		2002, April 03
Cross reference:
___________________________________________________________________________=
___


1. Problem Description

	Supplementary groups to which the rsync daemon belongs (such as
	root) were not removed from the server process before it performed
	work as an unprivileged uid and gid. The rsync daemon was also
	compiled with a vulnerable version of the zlib library. This
	package corrects both these issues.


2. Vulnerable Supported Versions

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

	OpenLinux 3.1.1 Server		prior to rsync-2.5.0-5.i386.rpm
					prior to rsync-2.5.0-5.src.rpm

	OpenLinux 3.1.1 Workstation	prior to rsync-2.5.0-5.i386.rpm
					prior to rsync-2.5.0-5.src.rpm


3. Solution

	The proper solution is to install the latest packages.


4. OpenLinux 3.1.1 Server

	4.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/RPMS

	2c8f978df12dabf073361c86f7012210	rsync-2.5.0-5.i386.rpm

	4.2 Installation

	Install the packages with the following sequence:
	=09
		rpm -Fvh \
			rsync-2.5.0-5.i386.rpm
	=09
	4.3 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS

	bffd618c0ad88252b35c33ac821253ad	rsync-2.5.0-5.src.rpm


5. OpenLinux 3.1.1 Workstation

	5.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/RPMS

	2c8f978df12dabf073361c86f7012210	rsync-2.5.0-5.i386.rpm

	5.2 Installation

	Install the packages with the following sequence:
	=09
		rpm -Fvh \
			rsync-2.5.0-5.i386.rpm
	=09
	5.3 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/SRPMS

	bffd618c0ad88252b35c33ac821253ad	rsync-2.5.0-5.src.rpm


6. References

	Specific references for this advisory:
		none


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

	Caldera UNIX security resources:
		http://stage.caldera.com/support/security/

	This security fix closes Caldera incidents sr862089, fz520415,
	and erg711995.


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

	Ethan Benson discovered and researched this vulnerability.

___________________________________________________________________________=
___


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