Deserialization of Untrusted Data in TYPO3 - CVE-2019-12747

 

Deserialization of Untrusted Data in TYPO3 - CVE-2019-12747

Published: June 25, 2019


Vulnerability identifier: #VU18907
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2019-12747
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: TYPO3
Affected software:
TYPO3

Detailed vulnerability description

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.


How to mitigate CVE-2019-12747

Install updates from vendor's website.

Sources