CVE-2022-4857 Modbus Tools Modbus Poll mbp File mbpoll.exe buffer overflow
A buffer overflow in Modbus Poll allows remote attackers to execute arbitrary code via a malicious mbp file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-4857?
CVE-2022-4857 is a medium-severity memory corruption vulnerability in Modbus Poll, published on 30 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in Modbus Tools Modbus Poll up to 9.10.0 and classified as critical. Affected by this issue is some unknown functionality of the file mbpoll.exe of the component mbp File Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-217022 is the identifier assigned to this vulnerability.
Weakness: CWE-120
Which versions are affected by CVE-2022-4857?
It affects 1 product.
Products include Modbustools Modbus Poll.
How do I fix CVE-2022-4857?
No fix has been published for CVE-2022-4857 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-2022-4857 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4857 exists.
Sources
Also known as GHSA-5qf6-g6p6-fq89.