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TUCoPS :: Linux :: Gentoo :: bx3117.htm

Firebird: Data disclosure



Firebird: Data disclosure
Firebird: Data disclosure



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Gentoo Linux Security Advisory                           GLSA 200805-06
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: Firebird: Data disclosure
      Date: May 09, 2008
      Bugs: #216158
        ID: 200805-06

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Synopsis
=======
Firebird allows remote connections to the administrative account
without verifying credentials.

Background
=========
Firebird is a multi-platform, open source relational database.

Affected packages
================
    -------------------------------------------------------------------
     Package          /      Vulnerable      /              Unaffected
    -------------------------------------------------------------------
  1  dev-db/firebird     < 2.0.3.12981.0-r6        >= 2.0.3.12981.0-r6

Description
==========
Viesturs reported that the default configuration for Gentoo's init
script ("/etc/conf.d/firebird") sets the "ISC_PASSWORD" environment
variable when starting Firebird. It will be used when no password is
supplied by a client connecting as the "SYSDBA" user.

Impact
=====
A remote attacker can authenticate as the "SYSDBA" user without
providing the credentials, resulting in complete disclosure of all
databases except for the user and password database (security2.fdb).

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Firebird users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot -v ">=dev-db/firebird-2.0.3.12981.0-r6"

Note: /etc/conf.d is protected by Portage as a configuration directory.
Do not forget to use "etc-update" or "dispatch-conf" to overwrite the
"firebird" configuration file, and then restart Firebird.

References
=========
  [ 1 ] CVE-2008-1880
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1880 

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200805-06.xml 

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at 
http://bugs.gentoo.org. 

License
======
Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5 

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