Vulnerability identifier: #VU70302

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-23504

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application within the YAML placeholder expressions in the site configuration backend module. A remote administrator can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TYPO3: 9.0.0 - 9.4.0, 9.5.0 - 9.5.37, 10.0.0 - 10.4.32, 11.0.0 - 11.5.19, 12.0.0, 12.1.0

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External links
http://github.com/TYPO3/typo3/security/advisories/GHSA-8w3p-qh3x-6gjr

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.