CVE-2023-3242 Denial of service in B&R Automation Runtime
Unauthenticated attackers can cause permanent denial-of-service in B&R Industrial Automation Runtime via improper initialization in Portmapper.
- 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-2023-3242?
CVE-2023-3242 is a high-severity denial of service vulnerability in B&R Automation Runtime, published on 26 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper initialization implementation in Portmapper used in B&R Industrial Automation Automation Runtime <G4.93 allows unauthenticated network-based attackers to cause permanent denial-of-service conditions.
Which versions are affected by CVE-2023-3242?
It affects 1 product.
Products include Br-Automation Automation Runtime.
How do I fix CVE-2023-3242?
No fix has been published for CVE-2023-3242 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-2023-3242 being exploited?
There is no known exploitation of CVE-2023-3242 in the wild and no public exploit code.
Other vulnerabilities in B&R Automation Runtime
- CVE-2024-0323 FTP uses unsecure encryption mechanisms
- CVE-2019-19108 B&R Automation Runtime SNMP Authentication and Authorization Weakness
- CVE-2021-22275 Denial of service vulnerability on Automation Runtime webserver
- CVE-2024-5800 Diffie-Hellman groups with insufficient strength used in SSL/TLS stack of B&R Automation Runtime
- CVE-2023-6028 SDM Web interface vulnerable to XSS
Sources
Also known as GHSA-j6jr-gfxc-3pp6.