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Security Advisories: GSA_kwCzR0hTQS1tN2d2LXY4eHgtdjQ3d84AAvtQ
XWiki OIDC Authenticator vulnerable to bypassing OpenID login by providing a custom provider
Even if a wiki has an OpenID provider configured through its xwiki.properties, it is possible to provide a third party provider by providing its details through request parameters. One can then bypass the XWiki authentication altogether by specifying its own provider through the oidc.endpoint.* request parameters (or by using an XWiki-based OpenID provider with oidc.xwikiprovider.
With the same approach, one could also provide a specific group mapping through oidc.groups.mapping that would make his user automatically part of the XWikiAdminGroup
Patched in version 1.29.1.
There is no workaround, an upgrade of the authenticator is required.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki
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Source: GitHub Advisory Database
Published: 11 months ago
Updated: 8 months ago
CVSS Score: 9.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Identifiers: GHSA-m7gv-v8xx-v47w, CVE-2022-39387
Fixed in: 1.29.1