CVE-2018-18993 Memory corruption in CX-One (CX-Programmer and CX-Server)
Attackers can execute arbitrary code by tricking users into opening malicious project files in CX-One industrial automation software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-18993?
CVE-2018-18993 is a high-severity memory corruption vulnerability in CX-One (CX-Programmer and CX-Server), published on 4 Dec 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Two stack-based buffer overflow vulnerabilities have been discovered in CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior). When processing project files, the application allows input data to exceed the buffer. An attacker could use a specially crafted project file to overflow the buffer and execute code under the privileges of the application.
Which versions are affected by CVE-2018-18993?
It affects 3 products.
Products include Omron Cx-One, Omron Cx-Programmer, Omron Cx-Server.
How do I fix CVE-2018-18993?
No fix has been published for CVE-2018-18993 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-2018-18993 being exploited?
There is no known exploitation of CVE-2018-18993 in the wild and no public exploit code.
Other vulnerabilities in CX-One (CX-Programmer and CX-Server)
Sources
Also known as GHSA-8fhw-7m75-ff9v.