CVE-2022-34750

Source
https://nvd.nist.gov/vuln/detail/CVE-2022-34750
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-34750.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-34750
Aliases
Published
2022-06-28T13:15:12Z
Modified
2025-01-14T11:07:49.876891Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the Wikibase and WikibaseLexeme extensions. This is related to Special:NewLexeme and Special:NewProperty.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type
GIT
Repo
https://github.com/wikimedia/mediawiki
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected

Affected versions

1.*

1.1.0
1.3.0beta1
1.38.0
1.38.0-rc.0
1.38.0-rc.1
1.38.1
1.5.0alpha1
1.5.0alpha2
1.5.0beta1
1.5.0beta2
1.5.0beta3
1.5.0beta4
1.6.0