Privilege escalation in femanager direct mail subscription extension for TYPO3

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU23659

Risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected software fails to properly check access rights. A remote authenticated attacker can escalate privileges on the target system and modify other frontend user records.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

femanager direct mail subscription: 2.1.0 - 2.1.2

CPE2.3

• cpe:2.3:a:torben_hansen:femanager_dmail_subscribe:2.1.0:*:*:*:*:typo3:*:*
• cpe:2.3:a:torben_hansen:femanager_dmail_subscribe:2.1.1:*:*:*:*:typo3:*:*
• cpe:2.3:a:torben_hansen:femanager_dmail_subscribe:2.1.2:*:*:*:*:typo3:*:*

External links

https://typo3.org/security/advisory/typo3-ext-sa-2019-022/

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.