From: Security Officer (securitysco.com)
Date: Wed Feb 22 2006 - 02:43:06 CST

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                        SCO Security Advisory

Subject: UnixWare 7.1.3 UnixWare 7.1.4 : Setuid ptrace Local Privilege Escalation Vulnerability
Advisory number: SCOSA-2006.9
Issue date: 2006 February 21
Cross reference: fz533176
                        CVE-2005-2934
______________________________________________________________________________

1. Problem Description

        A local user can exploit the ptrace() system call to gain
        root privileges.
        
        The Common Vulnerabilities and Exposures project
        (cve.mitre.org) has assigned the name CVE-2005-2934 to
        this issue.

2. Vulnerable Supported Versions

        System Binaries
        ----------------------------------------------------------------------
        UnixWare 7.1.3 /etc/conf/pack.d/sum/Driver_atup.o /etc/conf/pack.d/sum/Driver_mp.o
        UnixWare 7.1.4 /etc/conf/pack.d/sum/Driver_atup.o /etc/conf/pack.d/sum/Driver_mp.o

3. Solution

        The proper solution is to install the latest packages.

4. UnixWare 7.1.3

        4.1 Location of Fixed Binaries

        ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2006.9

        4.2 Verification

        a31512eee4940c6ba048a1b1878ac4fc p533176.713.image

        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:

        Download p533176.713.image to the /var/spool/pkg directory

        # pkgadd -d /var/spool/pkg/p533176.713.image

5. UnixWare 7.1.4

        5.1 Location of Fixed Binaries

        ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2006.9

        5.2 Verification

        1b8fa986357036a8be043b642cc47e56 p533176.714.image

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

        5.3 Installing Fixed Binaries

        Upgrade the affected binaries with the following sequence:

        Download p533176.714.image to the /var/spool/pkg directory

        # pkgadd -d /var/spool/pkg/p533176.714.image

6. References

        Specific references for this advisory:
                http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2934

        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 fz533176.

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 iDEFENSE for reporting this vulnerability.

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