OpenServer 5.0.6 OpenServer 5.0.7 : nwprint privilege escalation

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Date: 05/25/05

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    To: security-announce@list.sco.com, bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk
Date: Wed, 25 May 2005 13:21:41 -0700

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    ______________________________________________________________________________

                            SCO Security Advisory

    Subject: OpenServer 5.0.6 OpenServer 5.0.7 : nwprint privilege escalation
    Advisory number: SCOSA-2005.26
    Issue date: 2005 May 25
    Cross reference: sr893493 fz531721 erg712826 CAN-2005-0993
    ______________________________________________________________________________

    1. Problem Description

            Buffer overflow in nwprint allows local users to execute
            arbitrary code via a long command line argument.

            The Common Vulnerabilities and Exposures project (cve.mitre.org)
            has assigned the name CAN-2005-0993 to this issue.

    2. Vulnerable Supported Versions

            System Binaries
            ----------------------------------------------------------------------
            OpenServer 5.0.6 /usr/lib/nucrt/bin/nwprint
                                            /usr/lib/nucrt/bin/nwlpstat
                                            /etc/nwcleand
                                            /usr/lib/nucrt/bin/nwcancel
                                            /usr/lib/nucrt/bin/nwlpadmin

            OpenServer 5.0.7 See the Maintenance Pack 3 Release Notes

    3. Solution

            The proper solution is to install the latest packages.

    4. OpenServer 5.0.6

            4.1 First install oss646c or later

            4.2 Location of oss646c

            ftp://ftp.sco.com/pub/openserver5/oss646c/

            4.3 Verification of oss646c

            MD5 (VOL.000.000) = f19b6c6949f615316bfb075d249989e8
            MD5 (VOL.000.001) = 341ff8553aecd2c7b0c2beaf83030d0f
            MD5 (VOL.000.002) = 6e46708ad8029e12280d4f9ac60ab814
            MD5 (VOL.000.003) = 2868b64a6a6db742adb3b485be645d7e
            MD5 (VOL.000.004) = 1696fe1db9bb063827ee5e76e58dff84
            MD5 (VOL.000.005) = f39da342f8af72fcaccdf478dca04109
            MD5 (VOL.000.006) = 2b31611c8af7d2e7910d6e8e3cf701a6
            MD5 (VOL.000.007) = d0175c0f4e3ed29435b1eab95609f8f4
            MD5 (VOL.000.008) = aa9e8a525c341fed077f981b1dacb486
            MD5 (VOL.000.009) = 8e023af67b57507824406bdda322079a
            MD5 (VOL.000.010) = 2b46e8adba8ae0b64109f2069da978a2

            4.4 Location of Fixed Binaries

            ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.26

            4.5 Verification

            MD5 (VOL.000.000) = 83798688f4e5ac7f9e8c9602df8fa575

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

            4.6 Installing Fixed Binaries

            Upgrade the affected binaries with the following sequence:

            1) Download the VOL* files to a directory

            2) Run the custom command, specify an install from media
            images, and specify the directory as the location of the
            images.

    5. OpenServer 5.0.7

            5.1 Location of Fixed Binaries

            Maintenance Pack 3

            http://www.sco.com/support/update/download/osr507list.html

            5.2 Verification

            MD5 (507mp3_vol.tar) = c927aefdd50b50aca5d29e08c1562aec

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

            5.3 Installing Fixed Binaries

            See the Maintenance Pack 3 Release Notes

            ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.html
            or
            ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.txt

    6. References

            Specific references for this advisory:
                    http://lists.seifried.org/pipermail/security/2005-April/007678.html
                    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0993

            SCO security resources:
                    http://www.sco.com/support/security/index.html

            SCO security advisories via email
                    http://www.sco.com/support/forums/security.html

            This security fix closes SCO incidents sr893493 fz531721
            erg712826.

    7. 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.

    8. Acknowledgments

            SCO would like to thank pasquale minervini

    ______________________________________________________________________________

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