Improper Restriction of Excessive Authentication Attempts Affecting mediawiki package, versions <1:1.35.0-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-DEBIAN11-MEDIAWIKI-1012646
  • published25 Sept 2020
  • disclosed27 Sept 2020

Introduced: 25 Sep 2020

CVE-2020-25827  (opens in a new tab)
CWE-307  (opens in a new tab)

How to fix?

Upgrade Debian:11 mediawiki to version 1:1.35.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. For Wikis using OATHAuth on a farm/cluster (such as via CentralAuth), rate limiting of OATH tokens is only done on a single site level. Thus, multiple requests can be made across many wikis/sites concurrently.

CVSS Scores

version 3.1