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OpenLinux: mc Updated packages resolve local buffer overflow vulnerability
From: please_reply_to_security () sco com
Date: Thu, 25 Mar 2004 15:09:03 -0800 (PST)


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______________________________________________________________________________

                        SCO Security Advisory

Subject:                OpenLinux: mc Updated packages resolve local buffer overflow vulnerability
Advisory number:        CSSA-2004-014.0
Issue date:             2004 March 25
Cross reference:        sr889551 fz528937 erg712553 CAN-2003-1023
______________________________________________________________________________


1. Problem Description

        Stack-based buffer overflow in vfs_s_resolve_symlink of
        vfs/direntry.c for Midnight Commander (mc) 4.6.0 and earlier,
        and possibly later versions, allows remote attackers to
        execute arbitrary code during symlink conversion. 

        The Common Vulnerabilities and Exposures project (cve.mitre.org) 
        has assigned the name CAN-2003-1023 to this issue.


2. Vulnerable Supported Versions

        System                          Package
        ----------------------------------------------------------------------
        OpenLinux 3.1.1 Server          prior to mc-4.5.51-6.i386.rpm
                                        prior to mc-doc-4.5.51-6.i386.rpm

        OpenLinux 3.1.1 Workstation     prior to mc-4.5.51-6.i386.rpm
                                        prior to mc-doc-4.5.51-6.i386.rpm


3. Solution

        The proper solution is to install the latest packages. 

        Unix users with Linux Kernel Personality can 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

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2004-014.0/RPMS

        4.2 Packages

        683f2374c3602c3d4680d033da405a91        mc-4.5.51-6.i386.rpm
        1d1737ac2576c2571cfc6132d31ca89a        mc-doc-4.5.51-6.i386.rpm

        4.3 Installation

        rpm -Fvh mc-4.5.51-6.i386.rpm
        rpm -Fvh mc-doc-4.5.51-6.i386.rpm

        4.4 Source Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2004-014.0/SRPMS

        4.5 Source Packages

        728be58503d28303c1446b1954d85340        mc-4.5.51-6.src.rpm


5. OpenLinux 3.1.1 Workstation

        5.1 Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2004-014.0/RPMS

        5.2 Packages

        936ff3ee57f8bee7ccb96581ccdeca63        mc-4.5.51-6.i386.rpm
        126a8cc66def304a321bc4dad071bc4a        mc-doc-4.5.51-6.i386.rpm

        5.3 Installation

        rpm -Fvh mc-4.5.51-6.i386.rpm
        rpm -Fvh mc-doc-4.5.51-6.i386.rpm

        5.4 Source Package Location

        ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Workstation/CSSA-2004-014.0/SRPMS

        5.5 Source Packages

        98f3e31a702d2e890f9781753429d2dc        mc-4.5.51-6.src.rpm


6. References

        Specific references for this advisory:
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-1023

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

        This security fix closes SCO incidents sr889551 fz528937
        erg712553.


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. Acknowledgements

        SCO would like to thank Ilya Teterin

______________________________________________________________________________

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