CVE-2018-12087 Moderate severity vulnerability that affects OPCFoundation.NetStandard.Opc.Ua

Medium 5.3 Published Updated

Attackers can decrypt passwords in OPC UA Client Applications if certificate validation is disabled during insecure communication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2018-12087?

CVE-2018-12087 is a medium-severity vulnerability in n/a, published on 3 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Failure to validate certificates in OPC Foundation UA Client Applications communicating without security allows attackers with control over a piece of network infrastructure to decrypt passwords.

Weakness: CWE-295

Which versions are affected by CVE-2018-12087?

2 open source packages ship an affected version, including OPCFoundation.NetStandard.Opc.Ua. It affects 2 products.

PackageAffectedFixed in
OPCFoundation.NetStandard.Opc.Ua NuGetAll versions1.4.353.15
OPCFoundation.NetStandard.Opc.Ua NuGetAll versions1.4.353.15

Products include Opcfoundation Ua-.Net-Legacy, Opcfoundation Ua-.Netstandard.

How do I fix CVE-2018-12087?

Upgrade OPCFoundation.NetStandard.Opc.Ua to 1.4.353.15 or later.

Is CVE-2018-12087 being exploited?

There is no known exploitation of CVE-2018-12087 in the wild and no public exploit code.

Sources

Also known as GHSA-8336-mxp6-v5h9.

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