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Remote Code Execution (RCE) Affecting github.com/pion/dtls package, versions <1.5.2

0.0
medium

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 1.31% (86th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-GOLANG-GITHUBCOMPIONDTLS-567073
  • published 19 Apr 2020
  • disclosed 19 Apr 2020
  • credit Usenix
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Introduced: 19 Apr 2020

CVE-2019-20786 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade github.com/pion/dtls to version 1.5.2 or higher.

Overview

github.com/pion/dtls is a DTLS 1.2 Server/Client implementation for Go.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). handleIncomingPacket in conn.go lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.