Untrusted pointer dereference in TwinCAT - CVE-2018-7502
Published: March 26, 2018 / Updated: October 27, 2020
Vulnerability identifier: #VU11260
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-7502
CWE-ID: CWE-822
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Beckhoff
Affected software:
TwinCAT
TwinCAT
Detailed vulnerability description
The vulnerability allows a local attacker to execute arbitrary code on the target system.
The weakness exists due to improper validation of user-supplied pointer values. A local attacker can execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to improper validation of user-supplied pointer values. A local attacker can execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2018-7502
Update TwinCAT 3.1 Build 4022 to version 4022.14, TwinCAT 2.11 R3 to version 2300 and recompile TwinCAT 3.1 C++/Matlab modules after update.