CVE-2018-7521 Use after free in Omron CX-Supervisor
Attackers can execute arbitrary code by tricking users into opening a malicious project file in Omron CX-Supervisor.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-7521?
CVE-2018-7521 is a medium-severity use after free vulnerability in ICS-CERT Omron CX-Supervisor, published on 21 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Omron CX-Supervisor Versions 3.30 and prior, use after free vulnerabilities can be exploited when CX Supervisor parses a specially crafted project file.
Weakness: CWE-416
Which versions are affected by CVE-2018-7521?
It affects 1 product.
Products include Omron Cx-Supervisor.
How do I fix CVE-2018-7521?
No fix has been published for CVE-2018-7521 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2018-7521 being exploited?
There is no known exploitation of CVE-2018-7521 in the wild and no public exploit code.
Other vulnerabilities in ICS-CERT Omron CX-Supervisor
Sources
Also known as GHSA-jxqm-2cjv-rxvx.