Deserialization of Untrusted Data in TYPO3 - CVE-2019-12747
Published: June 25, 2019
Vulnerability identifier: #VU18907
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-12747
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data within the FormEngine and DataHandle. A remote authenticated attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
TYPO3
How to mitigate CVE-2019-12747
Install updates from vendor's website.
TYPO3 - addressed in versions 8.7.27, 9.5.8