| Package | Affected versions | Patched versions |
|---|---|---|
| OPCFoundation.NetStandard.Opc.Ua | < 1.3.352.12 | 1.3.352.12 |
| ua-.net-legacy | ≤ 1.03.342 | |
| ua-.netstandard | ≤ 1.03.352.10 |
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.
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