CVE-2022-29862 Security Update for the OPC UA .NET Standard Stack
Remote attackers can cause application hangs via crafted messages due to an infinite loop in the OPC UA .NET Standard Stack library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-29862?
CVE-2022-29862 is a high-severity denial of service vulnerability in n/a, published on 16 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An infinite loop in OPC UA .NET Standard Stack 1.04.368 allows a remote attackers to cause the application to hang via a crafted message.
Weakness: CWE-835
Which versions are affected by CVE-2022-29862?
2 open source packages ship an affected version, including OPCFoundation.NetStandard.Opc.Ua.Core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
OPCFoundation.NetStandard.Opc.Ua.Core NuGet | All versions | 1.4.368.58 |
OPCFoundation.NetStandard.Opc.Ua.Core NuGet | All versions | 1.4.368.58 |
Products include Opcfoundation Ua .Net Standard Stack.
How do I fix CVE-2022-29862?
Upgrade OPCFoundation.NetStandard.Opc.Ua.Core to 1.4.368.58 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-2022-29862 being exploited?
There is no known exploitation of CVE-2022-29862 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2024-42512 Security Update for the OPC UA .NET Standard Stack
- CVE-2022-33916 Exposure of Sensitive Information in OPCFoundation.NetStandard.Opc.Ua.Server
- CVE-2022-29863 Memory Allocation with Excessive Size Value in OPCFoundation.NetStandard.Opc.Ua.Core
- CVE-2022-29864 Uncontrolled Resource Consumption in OPCFoundation.NetStandard.Opc.Ua.Core
- CVE-2022-29865 Incorrect Implementation of Authentication Algorithm in OPCFoundation.NetStandard.Opc.Ua.Core
Sources
Also known as GHSA-5q2v-6j86-5h9v.