CVE-2018-5452 Memory corruption in Emerson ControlWave Micro Process Automation Controller
A stack-based buffer overflow in Emerson ControlWave Micro PLCs allows attackers to force the device into halt mode via crafted packets.
- 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-2018-5452?
CVE-2018-5452 is a high-severity memory corruption vulnerability in Emerson ControlWave Micro Process Automation Controller, published on 7 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Stack-based Buffer Overflow issue was discovered in Emerson Process Management ControlWave Micro Process Automation Controller: ControlWave Micro [ProConOS v.4.01.280] firmware: CWM v.05.78.00 and prior. A stack-based buffer overflow vulnerability caused by sending crafted packets on Port 20547 could force the PLC to change its state into halt mode.
Which versions are affected by CVE-2018-5452?
It affects 1 product.
Products include Emerson Controlwave Micro Firmware.
How do I fix CVE-2018-5452?
No fix has been published for CVE-2018-5452 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-2018-5452 being exploited?
There is no known exploitation of CVE-2018-5452 in the wild and no public exploit code.
Other vulnerabilities in Emerson ControlWave Micro Process Automation Controller
Sources
Also known as GHSA-xq5r-4h6f-r3gp.