Security Update: [CSSA-2001-SCO.5] UnixWare: packaging tool exploits

[sco-security () caldera com]

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            Caldera International, Inc. Security Advisory

Subject:                UnixWare: packaging tool exploits
Advisory number:        CSSA-2001-SCO.5
Issue date:             2001 June 29
Cross reference:
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1. Problem Description

        The packaging tools can be exploited to print /etc/shadow,
        leading to a probable root compromise.


2. Vulnerable Versions

        Operating System        Version         Affected Files
        ------------------------------------------------------------------
        UnixWare 7              All             /usr/bin/pkginfo
                                                /usr/bin/pkgparam
                                                /usr/bin/pkgtrans
                                                /usr/sbin/pkgadd
                                                /usr/sbin/pkgcat
                                                /usr/sbin/pkginstall
                                                /usr/sbin/pkgrm
                                                        

3. Workaround

        None.


4. UnixWare 7

  4.1 Location of Fixed Binaries

        ftp://ftp.sco.com/pub/security/unixware/sr847997/


  4.2 Verification

        md5 checksums:
        
        5d75084d724882c4baad12a255c00776        erg711743.Z


        md5 is available for download from

                ftp://ftp.sco.com/pub/security/tools/


  4.3 Installing Fixed Binaries

        Upgrade the affected binaries with the following commands:

        # uncompress /tmp/erg711713a.Z
        # pkgadd -d /tmp/erg711713a


5. References

        http://www.technotronic.com/xnec/
        http://www.calderasystems.com/support/security/index.html

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, Inc. products.


7.Acknowledgements

        Caldera International wishes to thank Brock Tellier
        (btellier () usa net) for his analysis and help concerning this
        issue.

        In addition, an acknowledgement to Mr. Tellier was
        inadvertently omitted from advisory [CSSA-2001-SCO.1].
         
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