Date:         Thu, 9 Mar 2000 15:28:02 -0800
From: Katie Moussouris <k8e@MAIL.TURBOLINUX.COM>
Subject:      [TL-Security-Announce] MySQL-3.22.27-5 and earlier TLSA200006-1
To: BUGTRAQ@SECURITYFOCUS.COM

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______________________________________________________________________________

                        TurboLinux Security Announcement


        Package: MySQL-3.22.27-5 and earlier
        Date:   Thu Mar  9 13:48:52 PST 2000

        Affected TurboLinux versions: 6.0.2 and earlier
        Vulnerability Type:  remote, possible MySQL DoS
	TurboLinux Advisory ID#:  TLSA200006-1
	BugTraq ID#: 975
        Credits:  This vulnerability was posted to the Bugtraq mailing list on
	February 8, 2000 by Robert van der Meulen <rvdm@cistron.nl>.
______________________________________________________________________________

A security hole was discovered in the package mentioned above.
Please update the package in your installation as soon as possible or disable the service.
_____________________________________________________________________________

1. Problem Summary

   The MySQL database server (prior to 3.22.32) has a flawed password
   authentication mechanism.  Anyone who can connect to the server can
   access databases without knowing an exact password.  When a check string
   of length one is passed to the server, only one character is compared.
   There are only 32 possibilities for the first character of the server-side
   check string.

2. Impact

   An attacker will have all of the access rights of the database user and
   may be able to read, add, or modify records.  From Robert's original post:
   "This vulnerability also incorporates a MySQL DoS attack, as the attacker
   can shutdown database servers and delete data, if she logs in with the
   MySQL management account."

3. Solution

  Update the package from our ftp server by running the following command:

  rpm -Fv ftp_path_to_filename

  Where ftp_path_to_filename is the following:

  ftp://ftp.turbolinux.com/pub/updates/6.0/security/MySQL-3.22.32-1.i386.rpm

  The source rpm can be downloaded here:

  ftp://ftp.turbolinux.com/pub/updates/6.0/SRPMS/MySQL-3.22.32-1.src.rpm

  **Note: You must rebuild and install the rpm if you choose to download
  and install the srpm.  Simply installing the srpm alone WILL NOT CLOSE
  THE SECURITY HOLE.

  Please verify the md5 checksum of the update before you install:

  MD5 sum				Package Name
- ------------------------------------------------------------
590e3085c4c281e44cfc807d0c05439d  MySQL-3.22.32-1.i386.rpm
3eaf76a010ce4482cf9d55643485b9c3  MySQL-3.22.32-1.src.rpm
______________________________________________________________________________

You can find more updates on our ftp server:

  ftp://ftp.turbolinux.com/pub/updates/6.0/security/ for TL6.0 Workstation and Server security updates
  ftp://ftp.turbolinux.com/pub/updates/4.0/security/ for TL4.0 Workstation and Server security updates

Our webpage for security announcements:

  http://www.turbolinux.com/security

If you want to report vulnerabilities, please contact:
  rt-security@turbolinux.com
______________________________________________________________________________

Subscribe to the TurboLinux Security Mailing lists:

  TL-security - A moderated list for discussing security issues in TurboLinux products. Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security

  TL-security-announce - An announce-only mailing list for security updates and alerts. Subscribe at http://www.turbolinux.com/mailman/listinfo/tl-security-announce
______________________________________________________________________________

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