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Security Update: [CSSA-2002-SCO.19] OpenServer 5.0.5 OpenServer 5.0.6 : yppasswdd remotely exploitable buffer overflow
From: security () caldera com
Date: Mon, 20 May 2002 17:55:25 -0700
To: bugtraq () securityfocus com announce () lists caldera com scoannmod () xenitec on ca______________________________________________________________________________ Caldera International, Inc. Security AdvisorySubject: OpenServer 5.0.5 OpenServer 5.0.6 : yppasswdd remotely exploitable buffer overflowAdvisory number: CSSA-2002-SCO.19Issue date: 2002 May 20Cross reference:______________________________________________________________________________1. Problem Description A buffer overflow vulnerability has been discovered in /etc/yppasswdd which may be exploited by a local or a remote attacker to gain root access on the NIS master server system.2. Vulnerable Supported Versions System Binaries ---------------------------------------------------------------------- OpenServer 5.0.5 /etc/yppasswdd OpenServer 5.0.6 /etc/yppasswdd3. Solution The proper solution is to install the latest packages.4. OpenServer 5.0.5 4.1 Location of Fixed Binariesftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.19 4.2 Verification MD5 (VOL.000.000) = d683b9007da3efc51a9f6f9db7270ec2 md5 is available for download fromftp://stage.caldera.com/pub/security/tools/ 4.3 Installing Fixed Binaries Upgrade the affected binaries with the following commands: 1) Download the VOL* files to the /tmp directory Run the custom command, specify an install from media images, and specify the /tmp directory as the location of the images.5. OpenServer 5.0.6 5.1 Location of Fixed Binariesftp://stage.caldera.com/pub/security/openserver/CSSA-2002-SCO.19 5.2 Verification MD5 (VOL.000.000) = d683b9007da3efc51a9f6f9db7270ec2 md5 is available for download fromftp://stage.caldera.com/pub/security/tools/ 5.3 Installing Fixed Binaries Upgrade the affected binaries with the following commands: 1) Download the VOL* files to the /tmp directory Run the custom command, specify an install from media images, and specify the /tmp directory as the location of the images.6. References Specific references for this advisory:http://www.kb.cert.org/vuls/id/327281 Caldera UNIX security resources:http://stage.caldera.com/support/security/ Caldera OpenLinux security resources:http://www.caldera.com/support/security/index.html This security fix closes Caldera incidents sr854485, SCO-559-1316, and erg711875 .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.______________________________________________________________________________
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