CVE-2019-20786 Detail

Current Description

handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 Patch  Third Party Advisory 
https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 Patch  Third Party Advisory 
https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean Third Party Advisory 
https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2019-20786
NVD Published Date:
04/19/2020
NVD Last Modified:
04/23/2020
Source:
MITRE