CVE-2022-2970 MZ Automation libIEC61850 Stack-Based Buffer Overflow
An attacker can trigger a stack-based buffer overflow in libIEC61850 to crash devices or execute arbitrary code.
- 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-2022-2970?
CVE-2022-2970 is a critical memory corruption vulnerability in MZ Automation libIEC61850, published on 23 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) does not sanitize input before memcpy is used, which could allow an attacker to crash the device or remotely execute arbitrary code.
Which versions are affected by CVE-2022-2970?
It affects 1 product.
Products include Mz-Automation Libiec61850.
How do I fix CVE-2022-2970?
No fix has been published for CVE-2022-2970 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-2022-2970 being exploited?
There is no known exploitation of CVE-2022-2970 in the wild and no public exploit code.
Other vulnerabilities in MZ Automation libIEC61850
Sources
Also known as GHSA-h3j4-vfr6-r3jp.