CVE-2022-25302 Denial of Service (DoS)
Attackers can cause denial of service in ASNeG/OpcUaStack by sending crafted OPC UA messages with special encoded NodeIds.
- 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-2022-25302?
CVE-2022-25302 is a high-severity denial of service vulnerability in ASNeG/OpcUaStack, published on 23 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of package asneg/opcuastack are vulnerable to Denial of Service (DoS) due to a missing handler for failed casting when unvalidated data is forwarded to boost::get function in OpcUaNodeIdBase.h. Exploiting this vulnerability is possible when sending a specifically crafted OPC UA message with a special encoded NodeId.
Which versions are affected by CVE-2022-25302?
It affects 1 product.
Products include Opc Ua Stack Project Opc Ua Stack.
How do I fix CVE-2022-25302?
No fix has been published for CVE-2022-25302 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-2022-25302 being exploited?
There is no known exploitation of CVE-2022-25302 in the wild and no public exploit code.
Sources
Also known as GHSA-v987-x2f9-r6gr.