Information Exposure Affecting opcfoundation.netstandard.opc.ua package, versions [,1.3.352.12)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-DOTNET-OPCFOUNDATIONNETSTANDARDOPCUA-60262
  • published31 Jul 2018
  • disclosed13 Jun 2018
  • creditBernd Edlinger

Introduced: 13 Jun 2018

CVE-2018-7559  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade opcfoundation.netstandard.opc.ua to version 1.3.352.12 or higher.

Overview

opcfoundation.netstandard.opc.ua contains the OPC UA reference implementation and is targeting the .NET Standard Library.

Affected versions of the package are vulnerable to Information Exposure. A remote attacker could determine the Server’s private key by sending carefully constructed bad UserIdentityTokens.

NOTE This attack only affects UserIdentityTokens encrypted with the Basic128Rsa15 Security Policy which has already been depreciated.

CVSS Scores

version 3.1