CVE-2019-10954 Rockwell Automation CompactLogix 5370 Stack-based Buffer Overflow
An attacker can cause a denial-of-service condition in Rockwell Automation CompactLogix controllers by sending crafted SMTP packets, requiring firmware upgrades.
- 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-2019-10954?
CVE-2019-10954 is a high-severity memory corruption vulnerability in Rockwell Automation Armor Compact GuardLogix 5370 controllers, published on 1 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker could send crafted SMTP packets to cause a denial-of-service condition where the controller enters a major non-recoverable faulted state (MNRF) in CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.
Which versions are affected by CVE-2019-10954?
It affects 5 products.
Products include Rockwellautomation Armor Compact Guardlogix 5370 Firmware, Rockwellautomation Compact Guardlogix 5370 Firmware, Rockwellautomation Compactlogix 5370 L1 Firmware, Rockwellautomation Compactlogix 5370 L2 Firmware, Rockwellautomation Compactlogix 5370 L3 Firmware.
How do I fix CVE-2019-10954?
No fix has been published for CVE-2019-10954 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-2019-10954 being exploited?
There is no known exploitation of CVE-2019-10954 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation Armor Compact GuardLogix 5370 controllers
Sources
Also known as GHSA-w6v6-c9pm-2p53.