CVE-2019-19849 Information

Description

An issue was discovered in TYPO3 before 8.7.30 9.x before 9.5.12 and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed with a valid backend user who has limited privileges.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://review.typo3.org/q/2522Resolves:+2523890052522+topic:security https://typo3.org/security/advisory/typo3-core-sa-2019-026/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8