Improper Certificate Validation Affecting Open this link in a new tab package, versions <2.1.5

  • Attack Complexity


  • Integrity


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  • snyk-id


  • published

    22 May 2022

  • disclosed

    22 May 2022

  • credit

    Juho Nurminen and the Mattermost team

How to fix?

Upgrade to version 2.1.5 or higher.

Overview is a DTLS 1.2 Server/Client implementation for Go.

Affected versions of this package are vulnerable to Improper Certificate Validation where a DTLS Client can provide a certificate that doesn't possess a private key without being rejected.

Note: This issue affects users that are using Client certificates only. The connection itself is still secure.