CVE-2023-47126: Information Disclosure in Install Tool in typo3/cms-install
First published: Tue Nov 14 2023(Updated: )
> ### CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C` (3.5) ### Problem The login screen of the standalone install tool discloses the full path of the transient data directory (e.g. _/var/www/html/var/transient/_). This applies to composer-based scenarios only - “classic” non-composer installations are not affected. ### Solution Update to TYPO3 version 12.4.8 that fixes the problem described above. ### Credits Thanks to Markus Klein who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2023-005](https://typo3.org/security/advisory/typo3-core-sa-2023-005)
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| composer/typo3/cms-install | >=12.2.0<12.4.8 | 12.4.8 |
| Typo3 Typo3 | >=12.2.0<12.4.8 |
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Reference Links
- https://github.com/TYPO3/typo3/security/advisories/GHSA-p2jh-95jg-2w55
- https://github.com/TYPO3/typo3/commit/1a735dac01ec7b337ed0d80c738caa8967dea423
- https://typo3.org/security/advisory/typo3-core-sa-2023-005
- https://nvd.nist.gov/vuln/detail/CVE-2023-47126
- https://github.com/advisories/GHSA-p2jh-95jg-2w55 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2023-47126?
The severity of CVE-2023-47126 is medium with a CVSS score of 5.3.
How does Information Disclosure in Install Tool in typo3/cms-install affect TYPO3?
The Information Disclosure vulnerability in Install Tool in typo3/cms-install allows an attacker to obtain the full path of the transient data directory, potentially aiding in further attacks.
Which software versions are affected by CVE-2023-47126?
TYPO3 versions between 12.2.0 and 12.4.8 are affected by CVE-2023-47126.
How can I fix CVE-2023-47126?
To fix CVE-2023-47126, upgrade TYPO3 to version 12.4.8 or apply the recommended remedy.
Where can I find more information about CVE-2023-47126?
You can find more information about CVE-2023-47126 at the following references: [GitHub Advisory](https://github.com/TYPO3/typo3/security/advisories/GHSA-p2jh-95jg-2w55), [GitHub Commit](https://github.com/TYPO3/typo3/commit/1a735dac01ec7b337ed0d80c738caa8967dea423), [TYPO3 Advisory](https://typo3.org/security/advisory/typo3-core-sa-2023-005).
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