CVE-2018-7559
Medium
Description
An issue was discovered in OPC UA .NET Standard Stack and Sample Code before GitHub commit 2018-04-12, and OPC UA .NET Legacy Stack and Sample Code before GitHub commit 2018-03-13. A vulnerability in OPC UA applications can allow a remote attacker to determine a Server's private key by sending carefully constructed bad UserIdentityTokens as part of an oracle attack.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpcfoundation Ua-.net-legacy
PublishedJun 13, 2018
First seenJun 13, 2018
How to fix
Update
- OPCFoundation.NetStandard.Opc.Ua1.3.352.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| opcfoundation ua-.net-legacy | v ≤ 1.03.342 | — |
| opcfoundation ua-.netstandard | v ≤ 1.03.352.10 | — |
| OPCFoundation.NetStandard.Opc.UaNuGet | v < 1.3.352.12 | 1.3.352.12 |
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