CVE-2022-0367 Memory corruption in libmodbus
A heap-based buffer overflow in libmodbus allows attackers to execute arbitrary code or cause a denial of service via crafted Modbus replies.
- 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
- Available
What is CVE-2022-0367?
CVE-2022-0367 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 29 Aug 2022. 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
A heap-based buffer overflow flaw was found in libmodbus in function modbus_reply() in src/modbus.c.
Which versions are affected by CVE-2022-0367?
It affects 4 products.
Linux distribution packages (2)
libmodbus SUSE:Package Hub 15 SP4 | All versions | 3.1.6-bp154.2.3.1 |
libmodbus openSUSE:Leap 15.4 | All versions | 3.1.6-bp154.2.3.1 |
Products include Debian Debian Linux, Fedoraproject Extra Packages for Enterprise Linux, Fedoraproject Fedora, Libmodbus Libmodbus.
How do I fix CVE-2022-0367?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-0367 being exploited?
There is no known exploitation of CVE-2022-0367 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2022-0367, DLA-3098-1, GHSA-w46r-g3fx-q46r, JLSEC-2026-1250, UBUNTU-CVE-2022-0367, openSUSE-SU-2022:10196-1.