CVE-2023-1424 Denial-of-Service and Remote Code Execution Vulnerability in MELSEC Series CPU module
Remote unauthenticated attackers can cause denial of service or execute malicious code on Mitsubishi MELSEC CPU modules 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-2023-1424?
CVE-2023-1424 is a critical memory corruption vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS, published on 24 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.
Weakness: CWE-120
Which versions are affected by CVE-2023-1424?
It affects 39 products.
Products include Mitsubishielectric Melsec Iq-Fx5u-32mr\/Ds Firmware, Mitsubishielectric Melsec Iq-Fx5u-32mr\/Dss Firmware, Mitsubishielectric Melsec Iq-Fx5u-32mr\/Es Firmware, Mitsubishielectric Melsec Iq-Fx5u-32mr\/Ess Firmware, Mitsubishielectric Melsec Iq-Fx5u-32mt\/Ds Firmware, Mitsubishielectric Melsec Iq-Fx5u-32mt\/Dss Firmware and 33 more.
How do I fix CVE-2023-1424?
No fix has been published for CVE-2023-1424 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-2023-1424 being exploited?
There is no known exploitation of CVE-2023-1424 in the wild and no public exploit code.
Sources
Also known as GHSA-jrmr-8594-crxx.