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Security Update: [CSSA-2002-054.0] Linux: exploitable memory leak in ypserv
From: security () caldera com
Date: Wed, 4 Dec 2002 11:06:20 -0800

To: bugtraq () securityfocus com announce () lists caldera com security-alerts () linuxsecurity com full-disclosure () 
lists netsys com


                        SCO Security Advisory

Subject:                Linux: exploitable memory leak in ypserv
Advisory number:        CSSA-2002-054.0
Issue date:             2002 December 04
Cross reference:

1. Problem Description

        Requesting a map that doesn't exist will cause a memory leak in
        the server.

2. Vulnerable Supported Versions

        System                          Package

        OpenLinux 3.1.1 Server          prior to nis-client-2.0-23.i386.rpm
                                        prior to nis-server-2.0-23.i386.rpm

        OpenLinux 3.1.1 Workstation     prior to nis-client-2.0-23.i386.rpm

        OpenLinux 3.1 Server            prior to nis-client-2.0-23.i386.rpm
                                        prior to nis-server-2.0-23.i386.rpm

        OpenLinux 3.1 Workstation       prior to nis-client-2.0-23.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


        4.2 Packages

        f416f2e39a29d419832f3b18c04491a2        nis-client-2.0-23.i386.rpm
        b86300ae67587b447262d31f123bc12e        nis-server-2.0-23.i386.rpm

        4.3 Installation

        rpm -Fvh nis-client-2.0-23.i386.rpm
        rpm -Fvh nis-server-2.0-23.i386.rpm

        4.4 Source Package Location


        4.5 Source Packages

        477ddd735eaedab628ddacd7c71576fe        nis-2.0-23.src.rpm

5. OpenLinux 3.1.1 Workstation

        5.1 Package Location


        5.2 Packages

        09070643b7c116d8df429cdcd66ef798        nis-client-2.0-23.i386.rpm

        5.3 Installation

        rpm -Fvh nis-client-2.0-23.i386.rpm

        5.4 Source Package Location


        5.5 Source Packages

        ec0fd36c02cde15d529b7dd8b2ec9592        nis-2.0-23.src.rpm

6. OpenLinux 3.1 Server

        6.1 Package Location


        6.2 Packages

        6d94363827067eae7b1401d9e560317a        nis-client-2.0-23.i386.rpm
        0873bfed5da6fff398d491477ced4fe1        nis-server-2.0-23.i386.rpm

        6.3 Installation

        rpm -Fvh nis-client-2.0-23.i386.rpm
        rpm -Fvh nis-server-2.0-23.i386.rpm

        6.4 Source Package Location


        6.5 Source Packages

        73957cff9e49efc38d0a7b4e5bfb9c37        nis-2.0-23.src.rpm

7. OpenLinux 3.1 Workstation

        7.1 Package Location


        7.2 Packages

        de89d9852c09c79199dd4a82c4c27481        nis-client-2.0-23.i386.rpm

        7.3 Installation

        rpm -Fvh nis-client-2.0-23.i386.rpm

        7.4 Source Package Location


        7.5 Source Packages

        5bc2cf815670d44e117394e1a98cf28a        nis-2.0-23.src.rpm

8. References

        Specific references for this advisory:


        SCO security resources:


        This security fix closes SCO incidents sr870793, fz526450,

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

        Thorsten Kukuck discovered and researched this vulnerability.


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