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      SCO Security Advisory

Subject:    OpenServer 5.0.7 OpenServer 6.0.0 : CUPS Multiple Buffer Overflow Vulnerabilities
Advisory number:   SCOSA-2006.20
Issue date:     2006 April 18
Cross reference:  fz533446
      CVE-2005-3191 CVE-2005-3192 CVE-2005-3193 
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1. Problem Description

  Some vulnerabilities have been reported in CUPS, which can
  be exploited by malicious people to cause a DoS (Denial of
  Service) and potentially to compromise a vulnerable system.
  
  The vulnerabilities are caused due to the use of a vulnerable
  version of Xpdf.
  
  The Common Vulnerabilities and Exposures project
  (cve.mitre.org) has assigned the names CVE-2005-3191,
  CVE-2005-3192, and CVE-2005-3193 to these issues.


2. Vulnerable Supported Versions

  System        Binaries
  ----------------------------------------------------------------------
  OpenServer 5.0.7     Cups package
  OpenServer 6.0.0     Cups package


3. Solution

  The proper solution is to install the latest packages.


4. OpenServer 5.0.7

  4.1 Location of Fixed Binaries

  ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.20


  4.2 Verification

  MD5 (p533446.507_vol.tar) = 6150ddaec1548e98e543ae030b2c9de4

  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 p533446.507_vol.tar to a directory.

  2) Extract VOL* files.

     # tar xvf p533446.507_vol.tar

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


5. OpenServer 6.0.0

  5.1 Location of Fixed Binaries

  ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.20


  5.2 Verification

  MD5 (p533446.600_vol.tar) = c4e87cee43acf3e6a55d0416601c92a6

  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:

  1) Download p533446.600_vol.tar to a directory.

  2) Extract VOL* files.

     # tar xvf p533446.600_vol.tar

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


6. References

  Specific references for this advisory:
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3191
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3192
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3193
    http://secunia.com/advisories/17976/

  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 fz533446.


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.


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