Advisory Published

GHSA-4f4c-rhjv-4wgv: CSRF

First published: Mon Nov 20 2023(Updated: )

### Impact A CSRF vulnerability in the query on XWiki tool allows executing arbitrary database queries on the database of the XWiki installation. Among other things, this allows modifying and deleting all data of the wiki. This could be both used to damage the wiki and to create an account with elevated privileges for the attacker, thus impacting the confidentiality, integrity and availability of the whole XWiki instance. A possible attack vector are comments on the wiki, by embedding an image with wiki syntax like `[[image:path:/xwiki/bin/view/Admin/QueryOnXWiki?query=DELETE%20FROM%20xwikidoc]]`, all documents would be deleted from the database when an admin user views this comment. ### Patches This has been patched in Admin Tools Application 4.5.1 by adding form token checks. ### Workarounds The [patch](https://github.com/xwiki-contrib/application-admintools/commit/45298b4fbcafba6914537dcdd798a1e1385f9e46) can also be applied manually to the affected pages. Alternatively, if the query tool is not needed, by deleting the document `Admin.SQLToolsGroovy`, all database query tools can be deactivated. ### References * https://jira.xwiki.org/browse/ADMINTOOL-92 * https://github.com/xwiki-contrib/application-admintools/commit/45298b4fbcafba6914537dcdd798a1e1385f9e46

Affected SoftwareAffected VersionHow to fix

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Frequently Asked Questions

  • What is the impact of GHSA-4f4c-rhjv-4wgv?

    GHSA-4f4c-rhjv-4wgv allows executing arbitrary database queries on the XWiki installation, which can lead to modification and deletion of all data in the wiki.

  • How does GHSA-4f4c-rhjv-4wgv affect the XWiki tool?

    GHSA-4f4c-rhjv-4wgv affects the XWiki tool by exploiting a CSRF vulnerability in the query, allowing unauthorized execution of database queries.

  • What is the severity of GHSA-4f4c-rhjv-4wgv?

    GHSA-4f4c-rhjv-4wgv has a severity rating of 8.8 out of 10.

  • How can GHSA-4f4c-rhjv-4wgv be fixed?

    To fix GHSA-4f4c-rhjv-4wgv, update the XWiki installation to version 4.5.1 or later of the 'org.xwiki.contrib:xwiki-application-admintools' package.

  • What is the Common Weakness Enumeration (CWE) ID of GHSA-4f4c-rhjv-4wgv?

    GHSA-4f4c-rhjv-4wgv is associated with CWE-352.


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