Multiple vulnerabilities in TYPO3

Published: 2023-11-20

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-47127 CVE-2023-47126
CWE-ID	CWE-287 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	TYPO3 Web applications / CMS
Vendor	TYPO3

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU83263

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-47127

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in handling user sessions in a multisite configuration. A remote user with access to one website can use their session token to access other websites deployed on the same CMS.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TYPO3: 8.0.0 - 12.4.7

External links

http://github.com/TYPO3/typo3/security/advisories/GHSA-3vmm-7h4j-69rm
http://github.com/TYPO3/typo3/commit/535dfbdc54fd5362e0bc08d911db44eac7f64019
http://typo3.org/security/advisory/typo3-core-sa-2023-006

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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

2) Information disclosure

EUVDB-ID: #VU83262

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-47126

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to full path disclosure on the login screen of the standalone install tool. A remote attacker can gain unauthorized access to sensitive information on the system.