CVE-2017-6023 Memory corruption in Fatek Automation PLC Ethernet Module
A stack-based buffer overflow in Fatek PLC Ethernet modules allows remote attackers to execute arbitrary code or crash the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6023?
CVE-2017-6023 is a critical memory corruption vulnerability in Fatek Automation PLC Ethernet Module, published on 16 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Fatek Automation PLC Ethernet Module. The affected Ether_cfg software configuration tool runs on the following Fatek PLCs: CBEH versions prior to V3.6 Build 170215, CBE versions prior to V3.6 Build 170215, CM55E versions prior to V3.6 Build 170215, and CM25E versions prior to V3.6 Build 170215. A stack-based buffer overflow vulnerability has been identified, which may allow remote code execution or crash the affected device.
Which versions are affected by CVE-2017-6023?
It affects 4 products.
Products include Fatek Ethernet Module Configuration Tool Cbe Firmware, Fatek Ethernet Module Configuration Tool Cbeh Firmware, Fatek Ethernet Module Configuration Tool Cm25e Firmware, Fatek Ethernet Module Configuration Tool Cm55e Firmware.
How do I fix CVE-2017-6023?
No fix has been published for CVE-2017-6023 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-6023 being exploited?
There is no known exploitation of CVE-2017-6023 in the wild and no public exploit code.
Sources
Also known as GHSA-jwfc-gwh4-6qmp.