CVE-2021-36125

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalRenameRequest page is vulnerable to infinite loops and denial of service attacks when a user's current username is beyond an arbitrary maximum configuration value (MaxNameChars).
Overview
  • CVE ID
  • CVE-2021-36125
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-02T13:15:07
  • Last Modified Date
  • 2021-07-07T17:10:00
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1 OR 1.36
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://phabricator.wikimedia.org/T260865 Exploit Issue Tracking Patch Vendor Advisory
https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-36125
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36125
History
Created Old Value New Value Data Type Notes
2022-05-10 07:08:34 Added to TrackCVE
2022-12-05 05:21:44 2021-07-02T13:15Z 2021-07-02T13:15:07 CVE Published Date updated
2022-12-05 05:21:44 2021-07-07T17:10:00 CVE Modified Date updated
2022-12-05 05:21:44 Analyzed Vulnerability Status updated