CVE-2021-36125

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).

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22	Patch Vendor Advisory
https://phabricator.wikimedia.org/T260865	Exploit Issue Tracking Patch Vendor Advisory
https://gerrit.wikimedia.org/r/q/I97d8b3236b5abed8ba9a9c4d3ab5050c2e782c22	Patch Vendor Advisory
https://phabricator.wikimedia.org/T260865	Exploit Issue Tracking Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-07-02 13:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36125

Mitre link : CVE-2021-36125

CVE.ORG link : CVE-2021-36125

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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