Description

CreateWiki is Miraheze's MediaWiki extension for requesting & creating wikis. It is possible for users to be considered as the requester of a specific wiki request if their local user ID on any wiki in a wiki farm matches the local ID of the requester at the wiki where the wiki request was made. This allows them to go to that request entry's on Special:RequestWikiQueue on the wiki where their local user ID matches and take any actions that the wiki requester is allowed to take from there. Commit 02e0f298f8d35155c39aa74193cb7b867432c5b8 fixes the issue. Important note about the fix: This vulnerability has been fixed by disabling access to the REST API and special pages outside of the wiki configured as the "global wiki" in `$wgCreateWikiGlobalWiki` in a user's MediaWiki settings. As a workaround, it is possible to disable the special pages outside of one's own global wiki by doing something similar to `miraheze/mw-config` commit e5664995fbb8644f9a80b450b4326194f20f9ddc that is adapted to one's own setup. As for the REST API, before the fix, there wasn't any REST endpoint that allowed one to make writes. Regardless, it is possible to also disable it outside of the global wiki by using `$wgCreateWikiDisableRESTAPI` and `$wgConf` in the configuration for one's own wiki farm..

Severity

 

CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0

CVSS 4.0 Severity and Metrics:

NIST: NVD

N/A

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score:  N/A

NVD assessment not yet provided.

CNA:  GitHub, Inc.

Base Score:  5.9 MEDIUM

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

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings. A CNA provided score within the CVE List has been displayed.

CVSS 2.0 Severity and Metrics:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://github.com/miraheze/CreateWiki/commit/02e0f298f8d35155c39aa74193cb7b867432c5b8
https://github.com/miraheze/CreateWiki/security/advisories/GHSA-89fx-77w7-rc64
https://github.com/miraheze/mw-config/commit/1798e53901a202b62edab32f8bcd5c6b9e574191
https://github.com/miraheze/mw-config/commit/e5664995fbb8644f9a80b450b4326194f20f9ddc
https://issue-tracker.miraheze.org/T12011
https://issue-tracker.miraheze.org/T12102

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	GitHub, Inc.

Change History

1 change records found show changes

New CVE Received by NIST 5/14/2024 11:39:28 AM

Action	Type	Old Value	New Value
Added	CVSS V3.1		GitHub, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Added	CWE		GitHub, Inc. CWE-863
Added	Description		Record truncated, showing 500 of 1294 characters. View Entire Change Record CreateWiki is Miraheze's MediaWiki extension for requesting & creating wikis. It is possible for users to be considered as the requester of a specific wiki request if their local user ID on any wiki in a wiki farm matches the local ID of the requester at the wiki where the wiki request was made. This allows them to go to that request entry's on Special:RequestWikiQueue on the wiki where their local user ID matches and take any actions that the wiki requester is allowed to take from there. Commi
Added	Reference		GitHub, Inc. https://github.com/miraheze/CreateWiki/commit/02e0f298f8d35155c39aa74193cb7b867432c5b8 [No types assigned]
Added	Reference		GitHub, Inc. https://github.com/miraheze/CreateWiki/security/advisories/GHSA-89fx-77w7-rc64 [No types assigned]
Added	Reference		GitHub, Inc. https://github.com/miraheze/mw-config/commit/1798e53901a202b62edab32f8bcd5c6b9e574191 [No types assigned]
Added	Reference		GitHub, Inc. https://github.com/miraheze/mw-config/commit/e5664995fbb8644f9a80b450b4326194f20f9ddc [No types assigned]
Added	Reference		GitHub, Inc. https://issue-tracker.miraheze.org/T12011 [No types assigned]
Added	Reference		GitHub, Inc. https://issue-tracker.miraheze.org/T12102 [No types assigned]