Denial of Service in TYPO3 Bookmark Toolbar
### Problem Due to insufficient input validation, manipulated data saved in the bookmark toolbar of the backend user interface causes a general error state, blocking further access to the interface. Exploiting this vulnerability requires an administrator-level backend user account. ### Solution Update to TYPO3 versions 10.4.46 ELTS, 11.5.40 LTS, 12.4.21 LTS, 13.3.1 that fix the problem described. ### Credits Thanks to Hendrik Eichner who reported this issue and to TYPO3 core & security team members Oliver Hader and Benjamin Franzke who fixed the issue. ### References * [TYPO3-CORE-SA-2024-011](https://typo3.org/security/advisory/typo3-core-sa-2024-001)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-34537US | — | — | ||
TYPO3 before 13.3.1 allows denial of service (interface error) in the Bookmark Toolbar (ext:backend), exploitable by an administrator-level backend user account via manipulated dat… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/TYPO3-CMS/backendPACKAGE
- https://github.com/TYPO3/typo3/security/advisories/GHSA-ffcv-v6pw-qhrpWEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-34537ADVISORY
- https://typo3.org/security/advisory/typo3-core-sa-2024-011WEB
- https://www.mgm-sp.com/cve/denial-of-service-in-typo3-bookmark-toolbarWEB
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