SB2023010615 - Multiple vulnerabilities in Newsletter subscriber managment extension for TYPO3

Description

This security bulletin contains information about 4 vulnerabilities.

1) Incorrect authorization (CVE-ID: CVE-2022-47408)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to a CAPTCHA bypass. A remote attacker can cause subscribing many people.

2) Improper access control (CVE-ID: CVE-2022-47409)

CWE-ID: CWE-284 - Improper Access Control

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

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can unsubscribe everyone via a series of modified subscription UIDs in deleteAction operations.

3) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2022-47410)

CWE-ID: CWE-668 - Exposure of resource to wrong sphere

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

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to exposure of resource to wrong sphere. A remote attacker can obtain subscribers via createAction operations.

4) Exposure of Resource to Wrong Sphere (CVE-ID: CVE-2022-47411)

CWE-ID: CWE-668 - Exposure of resource to wrong sphere

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

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to exposure of resource to wrong sphere. A remote attacker can obtain subscribers via unsubscribeAction operations.

Remediation

Install update from vendor's website.

References

• https://typo3.org/security/advisory/typo3-ext-sa-2022-017