UnixWare 7.1.3 Open UNIX 8.0.0 UnixWare 7.1.1 : perl unsafe Safe compartment

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                        SCO Security Advisory

Subject:                UnixWare 7.1.3 Open UNIX 8.0.0 UnixWare 7.1.1 : perl 
unsafe Safe compartment
Advisory number:        SCOSA-2004.1
Issue date:             2004 March 29
Cross reference:        sr887197 fz528449 erg712495 CAN-2002-1323
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1. Problem Description

        Safe.pm 2.0.7 and earlier, when used in Perl 5.8.0 and
        earlier, may allow attackers to break out of safe compartments
        in (1) Safe::reval or (2) Safe::rdo using a redefined @_
        variable, which is not reset between successive calls. 
        
        The Common Vulnerabilities and Exposures project (cve.mitre.org)
        has assigned the name CAN-2002-1323 to this issue.


2. Vulnerable Supported Versions

        System                          Binaries
        ----------------------------------------------------------------------
        UnixWare 7.1.3          /usr/gnu/lib/perl5/i386-svr4/5.00404/Safe.pm    
        Open UNIX 8.0.0         /usr/gnu/lib/perl5/i386-svr4/5.00404/Safe.pm
        UnixWare 7.1.1          /usr/gnu/lib/perl5/i386-svr4/5.00404/Safe.pm

3. Solution

        The proper solution is to install the latest packages.


4. UnixWare 7.1.3 
   Open UNIX 8.0.0
   UnixWare 7.1.2

        4.1 Location of Fixed Binaries

        ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2004.1


        4.2 Verification

        MD5 (erg712495.Z) = a58a6ad7b7ea39ee48abc8bc3cc0d4fe

        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 sequence:

        1. Download the erg712495.Z file to a directory on your machine.

        2. As root, uncompress the file and add the package to your system
        using these commands:

        # uncompress erg712495.Z
        # pkgadd -d erg712495

        3. There is no need to reboot the system after installing this package.


        If you have questions regarding this supplement, or the product on
        which it is installed, please contact your software supplier.

5. References

        Specific references for this advisory:
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1323

        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 sr887197 fz528449
        erg712495.


6. 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.


7. Acknowledgments

        SCO would like to thank Andreas Jurenda

        If you would like to receive SCO Security Advisories please visit:
        http://www.thescogroup.com/support/forums/announce.html

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