CVE-2022-43765 DoS in APROLs Tbase server
A network-based attacker can cause a Denial-of-Service in B&R APROL by sending specially formatted data packages to port 55502.
- 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-2022-43765?
CVE-2022-43765 is a high-severity denial of service vulnerability in B&R APROL, published on 8 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application Denial-of-Service.
Weakness: CWE-252
Which versions are affected by CVE-2022-43765?
It affects 1 product.
Products include Br-Automation Industrial Automation Aprol.
How do I fix CVE-2022-43765?
No fix has been published for CVE-2022-43765 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-43765 being exploited?
There is no known exploitation of CVE-2022-43765 in the wild and no public exploit code.
Other vulnerabilities in B&R APROL
Sources
Also known as GHSA-9fr2-r98v-qc2f.