TUCoPS :: SCO :: cs2sco05.txt

Open UNIX, UnixWare 7: encrypted password disclosure - Caldera Advisory CSSA-2002-SCO.5

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


            Caldera International, Inc. Security Advisory

Subject:                Open UNIX, UnixWare 7: encrypted password disclosure
Advisory number:        CSSA-2002-SCO.5
Issue date:             2002 February 14
Cross reference:

1. Problem Description
        After installation of the product, the file /var/adm/isl/ifile
        is left readable by all users. This file contains, among other
        things, the encrypted root password, and the encrypted owner

2. Vulnerable Supported Versions

        Operating System        Version         Affected Files
        UnixWare 7              All             /var/adm/isl/ifile
        Open UNIX               8.0.0           /var/adm/isl/ifile

3. Solution

        Caldera recommends that all affected systems change the file
        modes of /var/adm/isl/ifile to be readable only by root:

        # chmod 400 /var/adm/isl/ifile

        In addition, Caldera also recommends that you change the root
        and owner passwords.

4. References


        This and other advisories are located at

        This advisory addresses Caldera Security internal incidents
        sr860350, fz520151.

5. 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.

6. Acknowledgements

        Caldera wishes to thank Derryle Gogel <gogeld@citifinancial.com>,
        who discovered and researched this vulnerability.

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