CVE-2023-22912

Public Exploit

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.22%
Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T315123 issue tracking patch vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-22912?
CVE-2023-22912 has been scored as a medium severity vulnerability.
How to fix CVE-2023-22912?
To fix CVE-2023-22912, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-22912 being actively exploited in the wild?
It is possible that CVE-2023-22912 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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