Vulnerability identifier: #VU25794
Vulnerability risk: High
CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Wago PFC200 Controller
Hardware solutions /
Firmware
WAGO PFC100 Controller
Hardware solutions /
Firmware
Vendor: WAGO
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the iocheckd service "I/O-Check" functionality within the ReadPCBManuNum message processing code. A remote attacker can send a specially crafted set of packets, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Wago PFC200 Controller: 03.00.39(12) - 03.01.07(13)
WAGO PFC100 Controller: 03.00.39(12)
External links
http://talosintelligence.com/vulnerability_reports/TALOS-2019-0874
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.