CVE-2022-1797 Rockwell Automation Logix Controllers Uncontrolled Resource Consumption
A malformed Class 3 CIP message causes a denial-of-service condition in Rockwell Automation Logix Controllers, requiring manual fault clearing and project redownload.
- 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-2022-1797?
CVE-2022-1797 is a medium-severity denial of service vulnerability in Rockwell Automation Compact GuardLogix 5370 controllers, published on 31 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online.
Weakness: CWE-400
Which versions are affected by CVE-2022-1797?
It affects 9 products.
Products include Rockwellautomation Compact Guardlogix 5370 Firmware, Rockwellautomation Compact Guardlogix 5380 Firmware, Rockwellautomation Compactlogix 5370 Firmware, Rockwellautomation Compactlogix 5380 Firmware, Rockwellautomation Compactlogix 5480 Firmware, Rockwellautomation Controllogix 5570 Firmware and 3 more.
How do I fix CVE-2022-1797?
No fix has been published for CVE-2022-1797 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-2022-1797 being exploited?
There is no known exploitation of CVE-2022-1797 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation Compact GuardLogix 5370 controllers
Sources
Also known as GHSA-5w24-2pmc-xhp3.