What is the severity of CVE-2016-6332?

CVE-2016-6332 is considered a medium-severity vulnerability that may expose sensitive information.

How do I fix CVE-2016-6332?

To fix CVE-2016-6332, upgrade MediaWiki to version 1.23.15, 1.26.4, or 1.27.1 or later.

What causes CVE-2016-6332?

CVE-2016-6332 is caused by the failure to terminate user sessions when an account is blocked, particularly when the $wgBlockDisablesLogin setting is enabled.

Which versions of MediaWiki are affected by CVE-2016-6332?

CVE-2016-6332 affects MediaWiki versions before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1.

Can CVE-2016-6332 lead to unauthorized access?

Yes, CVE-2016-6332 can potentially lead to unauthorized access to sensitive information, as it allows for session persistence after account blocking.

Vulnerability/
CVE-2016-6332

high

7.5

CWE

200

20/4/2017

6/8/2024

CVE-2016-6332: Infoleak

First published: Thu Apr 20 2017(Updated: )

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Wikimedia MediaWiki	<=1.23.14
Wikimedia MediaWiki	=1.26.0
Wikimedia MediaWiki	=1.26.1
Wikimedia MediaWiki	=1.26.2
Wikimedia MediaWiki	=1.26.3
Wikimedia MediaWiki	=1.26.4
Wikimedia MediaWiki	=1.27.0

Remedy

https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html

Remedy

https://phabricator.wikimedia.org/T129738

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2016-6332?
CVE-2016-6332 is considered a medium-severity vulnerability that may expose sensitive information.
How do I fix CVE-2016-6332?
To fix CVE-2016-6332, upgrade MediaWiki to version 1.23.15, 1.26.4, or 1.27.1 or later.
What causes CVE-2016-6332?
CVE-2016-6332 is caused by the failure to terminate user sessions when an account is blocked, particularly when the $wgBlockDisablesLogin setting is enabled.
Which versions of MediaWiki are affected by CVE-2016-6332?
CVE-2016-6332 affects MediaWiki versions before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1.
Can CVE-2016-6332 lead to unauthorized access?
Yes, CVE-2016-6332 can potentially lead to unauthorized access to sensitive information, as it allows for session persistence after account blocking.

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vendor/mediawiki
canonical/wikimedia mediawiki
version/wikimedia mediawiki/1.23.14
version/wikimedia mediawiki/1.26.0
version/wikimedia mediawiki/1.26.1
version/wikimedia mediawiki/1.26.2
version/wikimedia mediawiki/1.26.3
version/wikimedia mediawiki/1.26.4
version/wikimedia mediawiki/1.27.0

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