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)
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11 Jul 2018
9 Jul 2018
How to fix?
system.servicemodel.duplex to version 4.0.3, 4.3.2, 4.4.3, 4.5.2 or higher.
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.