#VU67215 Information Exposure Through Timing Discrepancy in TYPO3 - CVE-2022-36105

Vulnerability identifier: #VU67215

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-36105

CWE-ID: CWE-208

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS

Vendor: TYPO3

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the way the web application responds when authenticating users. A remote non-authenticated attacker can observe the response time during user authentication to determine if the user account exists in the database.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TYPO3: 7.0.0 - 7.6.57, 8.0.0 - 8.7.47, 9.0.0 - 9.5.36, 10.0.0 - 11.5.15

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External links
https://typo3.org/security/advisory/typo3-core-sa-2022-007/

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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.