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EnGarde: MySQL double free vulnerability Print E-mail
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Posted by Team   
EnGarde This update fixes a double free() bug in the MySQL daemon that could allow an attacker, with a specially crafted MySQL client, to crash the server.

| EnGarde Secure Linux Security Advisory               February 20, 2003 |
|                         ESA-20030220-004 |
|                                                                        |
| Packages: MySQL, MySQL-client, MySQL-shared                            |
| Summary:  MySQL double free vulnerability.                             |

  EnGarde Secure Linux is a secure distribution of Linux that features
  improved access control, host and network intrusion detection, Web
  based secure remote management, e-commerce, and integrated open source
  security tools.

  This update fixes a double free() bug in the MySQL daemon that could
  allow an attacker, with a specially crafted MySQL client, to crash the
  server.  The attacker also requires a valid user account.

  The Common Vulnerabilities and Exposures project ( has
  assigned the name CAN-2003-0073 to this issue.

  All users are recommended to upgrade as soon as soon as possible.

  Users of the EnGarde Professional edition can use the Guardian Digital
  Secure Network to update their systems automatically.

  EnGarde Community users should upgrade to the most recent version
  as outlined in this advisory.  Updates may be obtained from:

  Before upgrading the package, the machine must either:

    a) be booted into a "standard" kernel; or
    b) have LIDS disabled.

  To disable LIDS, execute the command:

    # /sbin/lidsadm -S -- -LIDS_GLOBAL

  To install the updated package, execute the command:

    # rpm -Uvh files

  You must now update the LIDS configuration by executing the command:

    # /usr/sbin/

  To re-enable LIDS (if it was disabled), execute the command:

    # /sbin/lidsadm -S -- +LIDS_GLOBAL

  To verify the signatures of the updated packages, execute the command:

    # rpm -Kv files

  These updated packages are for EnGarde Secure Linux Community

  Source Packages:

      MD5 Sum: 0e29acc9b6de43aa36c39a45b51f50ee

  Binary Packages:

      MD5 Sum: 5326e9561a5fa3a4fe141f85eaf952cc

      MD5 Sum: d85c85c2e0aaddab775e616208ce81c6

      MD5 Sum: 0226c8ee2d6d196130f730ce3fed3568

      MD5 Sum: 8346d78f2a51c24372e0561be75896ce

      MD5 Sum: 4a955ebf6e116a5df38653bd9f27d6cd

      MD5 Sum: 2a5a37357c64bb067be740f95aa1b93a

  Guardian Digital's public key:

  MySQL's Official Web Site:

  Security Contact:
  EnGarde Advisories:

$Id: ESA-20030220-004-mysql,v 1.1 2003/02/20 16:23:30 rwm Exp $
Author: Ryan W. Maple <>
Copyright 2003, Guardian Digital, Inc.

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