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.
Published 2023-01-20 18:15:10
Updated 2023-01-26 19:00:06
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-22912

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-22912

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.3
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.9
1.4
NIST

CWE ids for CVE-2023-22912

References for CVE-2023-22912

  • https://phabricator.wikimedia.org/T315123
    ⚓ T315123 CVE-2023-22912: CheckUser TokenManager insecurely uses AES-CTR encryption with repeated nonce, allowing an adversary to decrypt
    Exploit;Issue Tracking;Patch;Vendor Advisory

Products affected by CVE-2023-22912

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