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From: security at caldera.com (security@...dera.com)
Subject: Security Update: [CSSA-2002-041.0] Linux: pam_ldap format string vulnerability

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

______________________________________________________________________________

			SCO Security Advisory

Subject:		Linux: pam_ldap format string vulnerability
Advisory number: 	CSSA-2002-041.0
Issue date: 		2002 October 28
Cross reference:
______________________________________________________________________________


1. Problem Description

	The pam_ldap module provides authentication for user access
	to a system by consulting a directory using LDAP. Versions of
	pam_ldap prior to version 144 include a format string bug in
	the logging function.


2. Vulnerable Supported Versions

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

	OpenLinux 3.1.1 Server		prior to pam_ldap-144-1.i386.rpm

	OpenLinux 3.1.1 Workstation	prior to pam_ldap-144-1.i386.rpm

	OpenLinux 3.1 Server		prior to pam_ldap-144-1.i386.rpm

	OpenLinux 3.1 Workstation	prior to pam_ldap-144-1.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-2002-041.0/RPMS

	4.2 Packages

	8e772565f5fd9933c938cbc7a4a9f229	pam_ldap-144-1.i386.rpm

	4.3 Installation

	rpm -Fvh pam_ldap-144-1.i386.rpm

	4.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-041.0/SRPMS

	4.5 Source Packages

	46faba5e7af087eccd984e8a68e6068a	pam_ldap-144-1.src.rpm


5. OpenLinux 3.1.1 Workstation

	5.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2002-041.0/RPMS

	5.2 Packages

	732acb91b620f591e5036dc5117362c6	pam_ldap-144-1.i386.rpm

	5.3 Installation

	rpm -Fvh pam_ldap-144-1.i386.rpm

	5.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2002-041.0/SRPMS

	5.5 Source Packages

	ac6da0b1c041f42bc5afdfbb13d50750	pam_ldap-144-1.src.rpm


6. OpenLinux 3.1 Server

	6.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-041.0/RPMS

	6.2 Packages

	37d60b62162ddf3f044d0c5533d83e05	pam_ldap-144-1.i386.rpm

	6.3 Installation

	rpm -Fvh pam_ldap-144-1.i386.rpm

	6.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-041.0/SRPMS

	6.5 Source Packages

	2a2b18ef2cf09c944dee12cb2169ca20	pam_ldap-144-1.src.rpm


7. OpenLinux 3.1 Workstation

	7.1 Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2002-041.0/RPMS

	7.2 Packages

	ea457e8e6c356e688ec547d59652b812	pam_ldap-144-1.i386.rpm

	7.3 Installation

	rpm -Fvh pam_ldap-144-1.i386.rpm

	7.4 Source Package Location

	ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Workstation/CSSA-2002-041.0/SRPMS

	7.5 Source Packages

	a39531e06057bbaaed603cb4150ca6a3	pam_ldap-144-1.src.rpm


8. References

	Specific references for this advisory:
		http://www.padl.com/OSS/pam_ldap.html
		http://archives.neohapsis.com/archives/vulnwatch/2002-q2/0053.html
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0374


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

	This security fix closes SCO incidents sr865994, fz521320,
	erg501620.


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

	The pam_ldap team at padl.com discovered and researched this
	vulnerability.

______________________________________________________________________________
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