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Sicherheit: Mangelnde Rechteprüfung in phpMyAdmin
Aktuelle Meldungen Distributionen
Name: Mangelnde Rechteprüfung in phpMyAdmin
ID: 201707-03
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: So, 9. Juli 2017, 11:58
Referenzen: https://www.phpmyadmin.net/security/PMASA-2017-8/

Originalnachricht

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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <03d37fd1-6607-590d-b983-185dd75ae520@gentoo.org>
Subject: [ GLSA 201707-03 ] phpMyAdmin: Security bypass

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Gentoo Linux Security Advisory GLSA 201707-03
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https://security.gentoo.org/
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Severity: Normal
Title: phpMyAdmin: Security bypass
Date: July 08, 2017
Bugs: #614522
ID: 201707-03

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Synopsis
========

A vulnerability in phpMyAdmin might allow remote attackers to bypass
authentication.

Background
==========

phpMyAdmin is a web-based management tool for MySQL databases.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-db/phpmyadmin < 4.0.10.20 >= 4.0.10.20
< 4.7.0 >= 4.7.0

Description
===========

A vulnerability was discovered where the restrictions caused by
"$cfg['Servers'][$i]['AllowNoPassword'] = false" are
bypassed under
certain PHP versions. This can lead compromised user accounts, who have
no passwords set, even if the administrator has set
"$cfg['Servers'][$i]['AllowNoPassword']" to false
(which is the
default).

This behavior depends on the PHP version used (it seems PHP 5 is
affected, while PHP 7.0 is not).

Impact
======

A remote attacker, who only needs to know the username, could bypass
security restrictions and access phpMyAdmin.

Workaround
==========

Set a password for all users.

Resolution
==========

All phpMyAdmin 4.0.x users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot -v
">=dev-db/phpmyadmin-4.0.10.20:4.0.10.20"

All other phpMyAdmin users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
">=dev-db/phpmyadmin-4.7.0:4.7.0"

References
==========

[ 1 ] PMASA-2017-8
https://www.phpmyadmin.net/security/PMASA-2017-8/

Availability
============

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

https://security.gentoo.org/glsa/201707-03

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
https://bugs.gentoo.org.

License
=======

Copyright 2017 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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