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

______________________________________________________________________________

		Caldera International, Inc.  Security Advisory

Subject:		Linux: imapd buffer overflow when fetching partial mailbox attributes
Advisory number: 	CSSA-2002-021.0
Issue date: 		2002 May 15
Cross reference:
______________________________________________________________________________


1. Problem Description

	A malicious user may construct a malformed request that will
	cause a buffer overflow, allowing the user to run code on the
	server with the uid and gid of the e-mail owner.


2. Vulnerable Supported Versions

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

	OpenLinux 3.1.1 Server		prior to imap-2000-14.i386.rpm
					prior to imap-devel-2000-14.i386.rpm

	OpenLinux 3.1.1 Workstation	prior to imap-2000-14.i386.rpm
					prior to imap-devel-2000-14.i386.rpm

	OpenLinux 3.1 Server		prior to imap-2000-14.i386.rpm
					prior to imap-devel-2000-14.i386.rpm

	OpenLinux 3.1 Workstation	prior to imap-2000-14.i386.rpm
					prior to imap-devel-2000-14.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

	3d4c39ed407a122f963f9f508f908c92	imap-2000-14.i386.rpm
	5c49edd5001471188ed6da5a20413f42	imap-devel-2000-14.i386.rpm

	4.3 Installation

	rpm -Fvh imap-2000-14.i386.rpm
	rpm -Fvh imap-devel-2000-14.i386.rpm

	4.4 Source Package Location

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

	4.5 Source Packages

	7aca0b5e4236dac8b9bbce8879d84bd8	imap-2000-14.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

	d38decbc4fd541389f150a801dbd6024	imap-2000-14.i386.rpm
	4833a72e3afde52d6f88fefdf2ac6fb4	imap-devel-2000-14.i386.rpm

	5.3 Installation

	rpm -Fvh imap-2000-14.i386.rpm
	rpm -Fvh imap-devel-2000-14.i386.rpm

	5.4 Source Package Location

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

	5.5 Source Packages

	0dc9c6f44c0a233ff31efc296159a812	imap-2000-14.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

	cbe5748e7adea78a897b2b530a4f6885	imap-2000-14.i386.rpm
	763992a12de3ac0bdf53ea03c92b0c79	imap-devel-2000-14.i386.rpm

	6.3 Installation

	rpm -Fvh imap-2000-14.i386.rpm
	rpm -Fvh imap-devel-2000-14.i386.rpm

	6.4 Source Package Location

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

	6.5 Source Packages

	decd197cfdce836c921560097573e9b3	imap-2000-14.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

	863d0908cf6a00488bd705bfe16e4d4c	imap-2000-14.i386.rpm
	a2db300f0a06d9be119c39a40fb4f368	imap-devel-2000-14.i386.rpm

	7.3 Installation

	rpm -Fvh imap-2000-14.i386.rpm
	rpm -Fvh imap-devel-2000-14.i386.rpm

	7.4 Source Package Location

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

	7.5 Source Packages

	2ea45d3516faaaae52a2f8053deaf30c	imap-2000-14.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 sr864139, fz520938
	and erg712042.


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

	Marcell Fodor (m.fodor@mail.datanet.hu) discovered and reported
	this vulnerability.

______________________________________________________________________________


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