CVE-2022-43723 Denial of service in SICAM PAS/PQS
Unauthenticated remote attackers can cause a denial of service by sending crafted messages to SICAM PAS/PQS, crashing the application.
- 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-2022-43723?
CVE-2022-43723 is a high-severity denial of service vulnerability in Siemens SICAM PAS/PQS, published on 13 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SICAM PAS/PQS (All versions < V7.0), SICAM PAS/PQS (All versions >= 7.0 < V8.06). Affected software does not properly validate the input for a certain parameter in the s7ontcp.dll. This could allow an unauthenticated remote attacker to send messages and create a denial of service condition as the application crashes. At the time of assigning the CVE, the affected firmware version of the component has already been superseded by succeeding mainline versions.
Which versions are affected by CVE-2022-43723?
It affects 1 product.
Products include Siemens Sicam Pas\/Pqs.
How do I fix CVE-2022-43723?
No fix has been published for CVE-2022-43723 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-2022-43723 being exploited?
There is no known exploitation of CVE-2022-43723 in the wild and no public exploit code.
Other vulnerabilities in Siemens SICAM PAS/PQS
Sources
Also known as GHSA-wmxm-7j47-5ww2.