CVE-2022-24375 Denial of Service (DoS)
Attackers can cause denial of service in node-opcua by sending multiple CloseSession requests with deleteSubscription set to false, exhausting memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-24375?
CVE-2022-24375 is a high-severity denial of service vulnerability in node-opcua, published on 24 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.
Weakness: CWE-400
Which versions are affected by CVE-2022-24375?
2 open source packages ship an affected version, including node-opcua. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
node-opcua npm | All versions | 2.74.0 |
node-opcua npm | All versions | 2.74.0 |
Products include Node-Opcua Project Node-Opcua.
How do I fix CVE-2022-24375?
Upgrade node-opcua to 2.74.0 or later.
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-2022-24375 being exploited?
There is no known exploitation of CVE-2022-24375 in the wild and no public exploit code.
Other vulnerabilities in node-opcua
Sources
Also known as GHSA-vh4f-fgpp-x8x2.