What is the vulnerability ID?

The vulnerability ID is CVE-2023-22912.

What is the severity of CVE-2023-22912?

The severity of CVE-2023-22912 is medium with a severity value of 5.3.

What is the affected software for CVE-2023-22912?

The affected software for CVE-2023-22912 is MediaWiki versions 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1.

What is the description of CVE-2023-22912?

CVE-2023-22912 is an issue in MediaWiki versions before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1 where CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.

Is there a reference for CVE-2023-22912?

Yes, you can find the reference for CVE-2023-22912 at https://phabricator.wikimedia.org/T315123.

Vulnerability/
CVE-2023-22912

medium

5.3

CWE

330

20/1/2023

26/1/2023

CVE-2023-22912

First published: Fri Jan 20 2023(Updated: )

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
MediaWiki MediaWiki	<1.35.9
MediaWiki MediaWiki	>=1.36.0<1.38.5
MediaWiki MediaWiki	=1.39.0
MediaWiki MediaWiki	=1.39.0-rc0
MediaWiki MediaWiki	=1.39.0-rc1

Remedy

https://phabricator.wikimedia.org/T315123

Never miss a vulnerability like this again

Reference Links

https://phabricator.wikimedia.org/T315123

Frequently Asked Questions

What is the vulnerability ID?
The vulnerability ID is CVE-2023-22912.
What is the severity of CVE-2023-22912?
The severity of CVE-2023-22912 is medium with a severity value of 5.3.
What is the affected software for CVE-2023-22912?
The affected software for CVE-2023-22912 is MediaWiki versions 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1.
What is the description of CVE-2023-22912?
CVE-2023-22912 is an issue in MediaWiki versions before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1 where CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.
Is there a reference for CVE-2023-22912?
Yes, you can find the reference for CVE-2023-22912 at https://phabricator.wikimedia.org/T315123.

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agent/tags
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agent/first-publish-date
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vendor/mediawiki
canonical/mediawiki mediawiki
version/mediawiki mediawiki/1.36.0
version/mediawiki mediawiki/1.39.0
version/mediawiki mediawiki/1.39.0-rc0
version/mediawiki mediawiki/1.39.0-rc1

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