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TUCoPS :: Linux :: General :: hack3157.htm

BIND cache poisoning vulnerability ESA-20031126-031



[ESA-20031126-031] BIND cache poisoning vulnerability

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+------------------------------------------------------------------------+
| Guardian Digital Security Advisory                   November 26, 2003 |
| http://www.guardiandigital.com                        ESA-20031126-031 | 
|                                                                        |
| Packages: bind-chroot, bind-chroot-utils                               |
| Summary:  cache poisoning vulnerability.                               |
+------------------------------------------------------------------------+

  EnGarde Secure Linux is an enterprise class Linux platform engineered
  to enable corporations to quickly and cost-effectively build a complete
  and secure Internet presence while preventing Internet threats.

OVERVIEW
- --------
  A cache poisoning vulnerability exists in the version of BIND shipped
  with all versions of EnGarde Secure Linux.  Successful exploitation of
  this vulnerability may result in a temporary denial of service until
  the bad record expires from the cache.

  The Common Vulnerabilities and Exposures project (cve.mitre.org) has
  assigned the name CAN-2003-0914 to this issue.

  Guardian Digital products affected by this issue include:

    EnGarde Secure Community v1.0.1
    EnGarde Secure Community 2
    EnGarde Secure Professional v1.1
    EnGarde Secure Professional v1.2
    EnGarde Secure Professional v1.5

  It is recommended that all users apply this update as soon as possible.

SOLUTION
- --------
  Guardian Digital Secure Network subscribers may automatically update
  affected systems by accessing their account from within the Guardian
  Digital WebTool.

  To modify your GDSN account and contact preferences, please go to:

    https://www.guardiandigital.com/account/ 

  Below are MD5 sums for the updated EnGarde Secure Linux 1.0.1 packages:

    SRPMS/bind-chroot-8.2.6-1.0.30.src.rpm
      MD5 Sum: 6127e55aaeffe9c92dcf793df910ee75

    i386/bind-chroot-8.2.6-1.0.30.i386.rpm
      MD5 Sum: b631c88d82dc4883df2271204d50abc3

    i386/bind-chroot-utils-8.2.6-1.0.30.i386.rpm
      MD5 Sum: eaac0812f751998c7f5ad66f7ba9d9d4

    i686/bind-chroot-8.2.6-1.0.30.i686.rpm
      MD5 Sum: 4b5ced2b8f72d9df3a340833ef0a60c0

    i686/bind-chroot-utils-8.2.6-1.0.30.i686.rpm
      MD5 Sum: 21f203bb6fad4a5474b179337c395442

REFERENCES
- ----------
  Guardian Digital's public key:
    http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY 

  BIND's Official Web Site:
    http://www.isc.org/products/BIND/ 

  Guardian Digital Advisories:
    http://infocenter.guardiandigital.com/advisories/ 

  Security Contact: security@guardiandigital.com 

- --------------------------------------------------------------------------
Author: Ryan W. Maple  
Copyright 2003, Guardian Digital, Inc.

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