Vulnerability · Published Aug 12, 2021 · Assigned by mitre
CVE-2021-31556
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.6%top 23.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T277380 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/I13ff0350a9a0a3cd5ab3e1f82dd0d8d9c13cf9e9 x_refsource_MISC
- FEDORA-2021-eee8b7514f vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-56d8173b5e vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-3dd1b66cbf vendor-advisory, x_refsource_FEDORA