What is Security Supplement p535283, the UnixWare 7.1.4 igmp Driver Update?

KEYWORDS: unixware 7.1.4 714 security update supplement p535283 igmp igmp_input 
fz5352783 panic denial of service dos SCOSA-2009.1

RELEASE:  SCO Unixware Release 7.1.4

PROBLEM:  What is Security Supplement p535283, the UnixWare 7.1.4 igmp 
          Driver Update?

SOLUTION: This supplement fixes a panic in the igmp driver that could
          possibly lead to a denial of service.

          What follows is the Security Advisory for this fix:

______________________________________________________________________________


                        SCO Security Advisory


Subject:                UnixWare 7.1.4 igmp Driver Update
Advisory number:        SCOSA-2009.1
Issue date:             30th April 2009
Cross reference:        fz535283
______________________________________________________________________________


1. Problem Description

        A fault in the igmp driver in UnixWare 7.1.4 Maintenance Pack 4
        can result in some circumstances in a system panic.  
	
2. Vulnerable Supported Versions

        System                          Package
        ----------------------------------------------------------------------
        UnixWare 7.1.4                  uw714mp4
                                       
3. Solution

        The proper solution is to install the relevant package below.

4. UnixWare 7.1.4

        This patch should only be installed on UnixWare 7.1.4 systems with
        Maintenance Pack 4 installed. 

        4.1 Location of Fixed Binaries

        ftp://ftp.sco.com/pub/unixware7/714/security/p535283/

        4.2 Verification

        MD5 (p535283.image) = 773778b9f3031efd10194a3229060c11

        md5 is available for download from

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

        4.3 Installation Instructions

        1. Download the p535283.image file to the /tmp directory 
        on your machine.

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

           $ su -
           Password: 
           # pkgadd -d /tmp/p535283.image

           Alternatively, this package may be installed in quiet mode, that is,
           without displaying the release notes and asking for confirmation.
           To do this, use these commands:

           $ su -
           Password: 
           # pkgadd -qd /tmp/p535283.image all

        3. Reboot the system after installing this package.

        4.4 Removal Instructions

        1. As root, remove the package using these commands:

           $ su -
           Password: 
           # pkgrm p535283

        2. Reboot the system after removing this package.

6. References

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

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

        This security fix closes SCO incidents fz535283.

7. Disclaimers

        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

        N/A