CVE-2022-29862 Security Update for the OPC UA .NET Standard Stack

High 7.5 Published Updated

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.

PackageAffectedFixed in
OPCFoundation.NetStandard.Opc.Ua.Core NuGetAll versions1.4.368.58
OPCFoundation.NetStandard.Opc.Ua.Core NuGetAll versions1.4.368.58

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.

Sources

Also known as GHSA-5q2v-6j86-5h9v.

Is CVE-2022-29862 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free