CVE-2021-41799

Published on: 10/11/2021 12:00:00 AM UTC

Last Modified on: 11/26/2021 08:55:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of Fedora from Fedoraproject contain the following vulnerability:

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

  • CVE-2021-41799 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
Security and maintenance release: 1.31.16 / 1.35.4 / 1.36.2 - Wikitech-l - lists.wikimedia.org lists.wikimedia.org
text/html
URL Logo CONFIRM lists.wikimedia.org/hyperkitty/list/[email protected]/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
Login phabricator.wikimedia.org
text/html
URL Logo MISC phabricator.wikimedia.org/T290394
[SECURITY] Fedora 35 Update: mediawiki-1.36.2-1.fc35 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-3dd1b66cbf
[SECURITY] Fedora 33 Update: mediawiki-1.35.4-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-56d8173b5e
[SECURITY] Fedora 34 Update: mediawiki-1.35.4-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-eee8b7514f

Related QID Numbers

  • 178814 Debian Security Update for mediawiki (DSA 4979-1)
  • 178834 Debian Security Update for mediawiki (DLA 2779-1)
  • 281976 Fedora Security Update for mediawiki (FEDORA-2021-56d8173b5e)
  • 281977 Fedora Security Update for mediawiki (FEDORA-2021-eee8b7514f)
  • 690019 Free Berkeley Software Distribution (FreeBSD) Security Update for mediawiki (f84ab297-2285-11ec-9e79-08002789875b)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
Operating
System
FedoraprojectFedora35AllAllAll
ApplicationMediawikiMediawikiAllAllAllAll
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*:
  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-41799 : MediaWiki before 1.36.2 allows a denial of service resource consumption because of lengthy query… twitter.com/i/web/status/1… 2021-10-11 08:08:23
© CVE.report 2021 Twitter Nitter Twitter Viewer |

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