CVE-2019-20786 - Vulnerability Details - OpenCVE

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.

Published: 2020-04-19

Score: 9.8 Critical

EPSS: 1.2% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-1278	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.
Github GHSA	GHSA-7gfg-6934-mqq2	Improper Authenication in Pion DTLS

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0122.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0
https://github.com/pion/dtls/compare/v1.5.1...v1.5.2
https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean
https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf

History

No history.

Subscriptions

Pion Dtls

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-04-19T19:57:36.000Z

Updated: 2024-08-05T02:53:09.233Z

Reserved: 2020-04-19T00:00:00.000Z

Link: CVE-2019-20786

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-04-19T20:15:11.587

Modified: 2024-11-21T04:39:21.650

Link: CVE-2019-20786

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

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