CVE-2016-9343 Memory corruption in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00
Attackers can execute code or cause denial of service on Rockwell Logix5000 controllers via malformed CIP packets.
- 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-2016-9343?
CVE-2016-9343 is a critical memory corruption vulnerability in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00, published on 13 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Rockwell Automation Logix5000 Programmable Automation Controller FRN 16.00 through 21.00 (excluding all firmware versions prior to FRN 16.00, which are not affected). By sending malformed common industrial protocol (CIP) packet, an attacker may be able to overflow a stack-based buffer and execute code on the controller or initiate a nonrecoverable fault resulting in a denial of service.
Weakness: CWE-787
Which versions are affected by CVE-2016-9343?
It affects 16 products.
Products include Rockwellautomation 1768 Compact Guardlogix L4xs Controller Firmware, Rockwellautomation 1768 Compactlogix L4x Controller Firmware, Rockwellautomation 1769 Compactlogix 5370 L1 Controller Firmware, Rockwellautomation 1769 Compactlogix 5370 L2 Controller Firmware, Rockwellautomation 1769 Compactlogix 5370 L3 Controller Firmware, Rockwellautomation 1769 Compactlogix L23x Controller Firmware and 10 more.
How do I fix CVE-2016-9343?
No fix has been published for CVE-2016-9343 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-2016-9343 being exploited?
There is no known exploitation of CVE-2016-9343 in the wild and no public exploit code.
Sources
Also known as GHSA-72wj-rc4p-79mm.