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To: bugtraq@securityfocus.com announce@lists.caldera.com
 security-alerts@linuxsecurity.com

______________________________________________________________________________

		Caldera International, Inc.  Security Advisory

Subject:		Linux: imlib processes untrusted images
Advisory number: 	CSSA-2002-019.0
Issue date: 		2002 April 29
Cross reference:
______________________________________________________________________________


1. Problem Description

	Imlib versions prior to 1.9.13 would fall back to loading images
	via the NetPBM package. NetPBM has various problems itself
	that make it unsuitable for loading untrusted images. This
	may allow attackers to construct images that, when loaded by
	a viewer using Imlib, could cause crashes or potentially, the
	execution of arbitrary code.

	In addition, this version (1.9.14) also includes some further
	fixes from the imlib team.


2. Vulnerable Supported Versions

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

	OpenLinux 3.1.1 Server		prior to imlib-1.9.14-1.i386.rpm
					prior to imlib-devel-1.9.14-1.i386.rpm

	OpenLinux 3.1.1 Workstation	prior to imlib-1.9.14-1.i386.rpm
					prior to imlib-devel-1.9.14-1.i386.rpm

	OpenLinux 3.1 Server		prior to imlib-1.9.14-1.i386.rpm
					prior to imlib-devel-1.9.14-1.i386.rpm

	OpenLinux 3.1 Workstation	prior to imlib-1.9.14-1.i386.rpm
					prior to imlib-devel-1.9.14-1.i386.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

	4.2 Packages

	56ed4f4cdf53abc39ba462021496314b	imlib-1.9.14-1.i386.rpm
	743951ea75a12121f6696a57a6a4d091	imlib-devel-1.9.14-1.i386.rpm

	4.3 Installation

	rpm -Fvh imlib-1.9.14-1.i386.rpm
	rpm -Fvh imlib-devel-1.9.14-1.i386.rpm

	4.4 Source Package Location

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

	4.5 Source Packages

	7f31fe77f6e8086aced4bb412b46e55c	imlib-1.9.14-1.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

	5.2 Packages

	de20299b700ab3918bed0c782abcd6c3	imlib-1.9.14-1.i386.rpm
	ba96a381bb7c60f20ce74b5645c02fa8	imlib-devel-1.9.14-1.i386.rpm

	5.3 Installation

	rpm -Fvh imlib-1.9.14-1.i386.rpm
	rpm -Fvh imlib-devel-1.9.14-1.i386.rpm

	5.4 Source Package Location

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

	5.5 Source Packages

	060c0a51023524bb1681ac6b68405bd7	imlib-1.9.14-1.src.rpm


6. OpenLinux 3.1 Server

	6.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS

	6.2 Packages

	72ab762b5b78035581fa9200cac775d7	imlib-1.9.14-1.i386.rpm
	7e918173391601c5df401be3c7644a78	imlib-devel-1.9.14-1.i386.rpm

	6.3 Installation

	rpm -Fvh imlib-1.9.14-1.i386.rpm
	rpm -Fvh imlib-devel-1.9.14-1.i386.rpm

	6.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS

	6.5 Source Packages

	4c864ed09fd05a3740e3a8d6acab2349	imlib-1.9.14-1.src.rpm


7. OpenLinux 3.1 Workstation

	7.1 Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS

	7.2 Packages

	0e03563711a6c9902b6d7d2016a45c84	imlib-1.9.14-1.i386.rpm
	d0bbec107ff9b58d8851a0cb680bedf3	imlib-devel-1.9.14-1.i386.rpm

	7.3 Installation

	rpm -Fvh imlib-1.9.14-1.i386.rpm
	rpm -Fvh imlib-devel-1.9.14-1.i386.rpm

	7.4 Source Package Location

	ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS

	7.5 Source Packages

	5eed6f4ffeeebf13e266a4078bc45442	imlib-1.9.14-1.src.rpm


8. 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 sr862212, fz520437,
	erg712001.


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

	Alan Cox and Al Viro discovered and researched the
	vulnerabilities.

______________________________________________________________________________

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