Vulnerability identifier: #VU86530

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-30451

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the File Abstraction Layer (FAL). A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

TYPO3: 8.0.0 - 8.7.56, 9.5.0 - 9.5.45, 9.0.0 - 9.4.0, 10.0.0 - 10.4.42, 11.0.0 - 11.5.34, 12.4.0 - 12.4.10, 12.0.0 - 12.3.0, 12.2.0, 12.1.0 - 12.1.3, 13.0.0

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External links
http://packetstormsecurity.com/files/176274/TYPO3-11.5.24-Path-Traversal.html
http://github.com/TYPO3/typo3/security/advisories/GHSA-w6x2-jg8h-p6mp
http://typo3.org/security/advisory/typo3-core-sa-2024-001

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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.