CVE-2022-41934 Improper Neutralization of Directives in Dynamically Evaluated Code in org.xwiki.platform:xwiki-platform-menu-ui

Critical 9.9 Published Updated

Authenticated users can execute arbitrary code via the menu macro, leading to full system compromise.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-41934?

CVE-2022-41934 is a critical code injection vulnerability in Xwiki Xwiki, published on 23 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights on commonly accessible documents including the menu macro can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation due to improper escaping of the macro content and parameters of the menu macro. The problem has been patched in XWiki 14.6RC1, 13.10.8 and 14.4.3. The patch (commit `2fc20891`) for the document `Menu.MenuMacro` can be manually applied or a XAR archive of a patched version can be imported. The menu macro was basically unchanged since XWiki 11.6 so on XWiki 11.6 or later the patch for version of 13.10.8 (commit `59ccca24a`) can most likely be applied, on XWiki version 14.0 and later the versions in XWiki 14.6 and 14.4.3 should be appropriate.

Weakness: CWE-116, CWE-74

Which versions are affected by CVE-2022-41934?

4 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-menu-ui. It affects 1 product.

PackageAffectedFixed in
org.xwiki.platform:xwiki-platform-menu-ui MavenAll versions13.10.8
org.xwiki.platform:xwiki-platform-menu-ui MavenAll versions13.10.8
org.xwiki.platform:xwiki-platform-menu-ui MavenFrom 14.0.014.4.3
org.xwiki.platform:xwiki-platform-menu-ui MavenFrom 14.0.014.4.3

Products include Xwiki Xwiki.

How do I fix CVE-2022-41934?

Upgrade org.xwiki.platform:xwiki-platform-menu-ui to a fixed version for your release line: 13.10.8 or 14.4.3.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-41934 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-41934 exists.

All Xwiki Xwiki vulnerabilities

Sources

Also known as GHSA-6w8h-26xx-cf8q.

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