Vulnerability identifier: #VU17237

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to an error in mechanisms used for configuration of RequireJS package loading. A remote attacker can retrieve additional information about installed system and third party extensions.

Mitigation
The vulnerability has been addressed in the versions 8.7.23 and 9.5.4.

Vulnerable software versions

TYPO3: 8.0.0 - 8.7.22, 9.5.0 - 9.5.3, 9.0.0 - 9.4.0

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External links
http://typo3.org/security/advisory/typo3-core-sa-2019-001/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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