Security Update: [CSSA-2002-SCO.6]

From: security@caldera.com
Date: 02/21/02 

To: bugtraq@securityfocus.com, announce@lists.caldera.com, scoannmod@xenitec.on.ca
From: security@caldera.com
Date: Thu, 21 Feb 2002 14:05:25 -0800

To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca

___________________________________________________________________________

            Caldera International, Inc. Security Advisory

Subject: Open UNIX, UnixWare 7: webtop setuid script vulnerability
Advisory number: CSSA-2002-SCO.6
Issue date: 2002 February 21
Cross reference:
___________________________________________________________________________

1. Problem Description
        
        The setuid scripts in the webtop product may be used to gain
        root privileges.

2. Vulnerable Supported Versions

        Operating System Version Affected Files
        ------------------------------------------------------------------
        UnixWare 7 7.1.1 /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi
                                                /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi
        Open UNIX 8.0.0 /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi
                                                /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi

3. Workaround

        If the webtop functionality is not needed, remove the setuid
        permissions from the scripts:

        # chmod -s /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi
        # chmod -s /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi

4. UnixWare 7, Open UNIX 8

  4.1 Location of Fixed Binaries

        ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.6/

  4.2 Verification

        MD5 (erg711951b.Z) = 53a0eb6dfe4bc1b1d8361ef1c5b488a6

        md5 is available for download from
                ftp://stage.caldera.com/pub/security/tools/

  4.3 Installing Fixed Binaries

        Upgrade the affected binaries with the following commands:

        Download erg711951b.Z to the /tmp directory

        # uncompress /tmp/erg711951b.Z
        # pkgadd -d /tmp/erg711951b

5. References

        This and other advisories are located at
                http://stage.caldera.com/support/security

        This advisory addresses Caldera Security internal incidents
        sr859215, fz519942, erg711951.

6. Disclaimer

        Caldera International, Inc. is not responsible for the misuse
        of any of the information we provide on our website and/or
        through our security advisories. Our advisories are a service
        to our customers intended to promote secure installation and
        use of Caldera International products.

7. Acknowledgements

        Caldera would like to thank jggm JeGalGhongMyeung
        <jggm@mail.com> for the discovery and research of this
        vulnerability.
                       
         
___________________________________________________________________________

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