GHSA-qm9f-c3v9-wphv Security Update for the OPC UA .NET Standard Stack
An unauthorized attacker can trigger rapid memory consumption in the OPC UA .NET Standard Stack, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is GHSA-qm9f-c3v9-wphv?
GHSA-qm9f-c3v9-wphv is a denial of service vulnerability in OPCFoundation.NetStandard.Opc.Ua, published on 18 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Which versions are affected by GHSA-qm9f-c3v9-wphv?
4 open source packages ship an affected version, including OPCFoundation.NetStandard.Opc.Ua and OPCFoundation.NetStandard.Opc.Ua.Core.
| Package | Affected | Fixed in |
|---|---|---|
OPCFoundation.NetStandard.Opc.Ua NuGet | All versions | 1.05.374.54 |
OPCFoundation.NetStandard.Opc.Ua NuGet | All versions | 1.05.374.54 |
OPCFoundation.NetStandard.Opc.Ua.Core NuGet | All versions | 1.05.374.54 |
OPCFoundation.NetStandard.Opc.Ua.Core NuGet | All versions | 1.05.374.54 |
How do I fix GHSA-qm9f-c3v9-wphv?
Upgrade OPCFoundation.NetStandard.Opc.Ua to 1.05.374.54 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 GHSA-qm9f-c3v9-wphv being exploited?
There is no known exploitation of GHSA-qm9f-c3v9-wphv in the wild and no public exploit code.