CVE-2022-36324 Denial of service in RUGGEDCOM RM1224 LTE(4G) EU
An unauthenticated remote attacker can cause a denial of service by exploiting improper SSL/TLS renegotiation handling in Siemens industrial routers.
- 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-2022-36324?
CVE-2022-36324 is a high-severity denial of service vulnerability in Siemens RUGGEDCOM RM1224 LTE(4G) EU, published on 10 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Affected devices do not properly handle the renegotiation of SSL/TLS parameters. This could allow an unauthenticated remote attacker to bypass the TCP brute force prevention and lead to a denial of service condition for the duration of the attack.
Weakness: CWE-770
Which versions are affected by CVE-2022-36324?
It affects 84 products.
Products include Siemens Scalance M-800 Firmware, Siemens Scalance S615 Firmware, Siemens Scalance W700 Ieee 802.11ac Firmware, Siemens Scalance W700 Ieee 802.11ax Firmware, Siemens Scalance W700 Ieee 802.11n Firmware, Siemens Scalance Xb-200 Firmware and 78 more.
How do I fix CVE-2022-36324?
No fix has been published for CVE-2022-36324 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-2022-36324 being exploited?
There is no known exploitation of CVE-2022-36324 in the wild and no public exploit code.
Other vulnerabilities in Siemens RUGGEDCOM RM1224 LTE(4G) EU
Sources
Also known as GHSA-hm3h-qvm3-r8qv.