Access Restriction Bypass Affecting system.servicemodel.duplex Open this link in a new tab package, versions [4.0.0,4.0.3) [4.3,4.3.2) [4.4,4.4.3) [4.5,4.5.2)


0.0
medium
  • Attack Complexity

    Low

  • Integrity

    High

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  • snyk-id

    SNYK-DOTNET-SYSTEMSERVICEMODELDUPLEX-60250

  • published

    11 Jul 2018

  • disclosed

    9 Jul 2018

  • credit

    Unknown

How to fix?

Upgrade system.servicemodel.duplex to version 4.0.3, 4.3.2, 4.4.3, 4.5.2 or higher.

Overview

Affected versions of system.servicemodel.duplex are vulnerable to Access Restriction Bypass. It does not correctly validate certificates. An attacker who successfully exploited this vulnerability could present an expired certificate when challenged.

Note: If an application does not use Windows Communication Foundation you are not affected.