CVE-2022-23500: Uncontrolled Recursion
(updated )
TYPO3 is an open source PHP based web content management system. In versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1, requesting invalid or non-existing resources via HTTP triggers the page error handler, which again could retrieve content to be shown as an error message from another page. This leads to a scenario in which the application is calling itself recursively - amplifying the impact of the initial attack until the limits of the web server are exceeded. This vulnerability is very similar, but not identical, to the one described in CVE-2021-21359. This issue is patched in versions 9.5.38 ELTS, 10.4.33, 11.5.20 or 12.1.1.
References
- github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2022-23500.yaml
- github.com/TYPO3/typo3/commit/1e5f44417f031c9c5a9f9d09a6a841cf89aa7b7a
- github.com/TYPO3/typo3/commit/73b46b6a627093112cfca4b895a198ca5e1970b7
- github.com/TYPO3/typo3/security/advisories/GHSA-8c28-5mp7-v24h
- github.com/advisories/GHSA-8c28-5mp7-v24h
- typo3.org/security/advisory/typo3-core-sa-2022-012
Code Behaviors & Features
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