vulnerability
MediaWiki: CVE-2021-31556: Improper Validation of Specified Quantity in Input
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Aug 12, 2021 | Aug 24, 2021 | May 6, 2026 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 12, 2021
Added
Aug 24, 2021
Modified
May 6, 2026
Description
An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. MWOAuthConsumerSubmitControl.php does not ensure that the length of an RSA key will fit in a MySQL blob.
Solution
mediawiki-upgrade-latest
References
- CVE-2021-31556
- https://attackerkb.com/topics/CVE-2021-31556
- https://gerrit.wikimedia.org/r/q/I13ff0350a9a0a3cd5ab3e1f82dd0d8d9c13cf9e9
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- https://phabricator.wikimedia.org/T277380
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-18453
- CWE-1284
- EUVD-EUVD-2021-18453
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