CVE-2023-37195 Denial of service in SIMATIC CP 1604
Local attackers with administrative privileges can cause a denial of service on SIMATIC CP devices by exploiting insufficient control of DMA requests.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-37195?
CVE-2023-37195 is a medium-severity denial of service vulnerability in Siemens SIMATIC CP 1604, published on 10 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). Affected devices insufficiently control continuous mapping of direct memory access (DMA) requests. This could allow local attackers with administrative privileges to cause a denial of service situation on the host. A physical power cycle is required to get the system working again.
Weakness: CWE-400
Which versions are affected by CVE-2023-37195?
It affects 5 products.
Products include Siemens Simatic Cp 1604 Firmware, Siemens Simatic Cp 1616 Firmware, Siemens Simatic Cp 1623 Firmware, Siemens Simatic Cp 1626 Firmware, Siemens Simatic Cp 1628 Firmware.
How do I fix CVE-2023-37195?
No fix has been published for CVE-2023-37195 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-2023-37195 being exploited?
There is no known exploitation of CVE-2023-37195 in the wild and no public exploit code.
Other vulnerabilities in Siemens SIMATIC CP 1604
Sources
Also known as GHSA-f6m2-pj42-r7g3.