VDB-154101 · CVE-2019-20786 · GCVE-0-2019-20786

Pion DTLS up to 1.5.1 conn.go handleIncomingPacket improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Pion DTLS up to 1.5.1 and classified as critical. This affects the function handleIncomingPacket of the file conn.go. Performing a manipulation results in improper authentication. This vulnerability is identified as CVE-2019-20786. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Pion DTLS up to 1.5.1. This affects the function handleIncomingPacket of the file conn.go. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 04/19/2020. This vulnerability is uniquely identified as CVE-2019-20786 since 04/19/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 1.5.2 eliminates this vulnerability.

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Productinfo

Vendor

Pion

Name

DTLS

Version

License

open-source

Website

Product: https://github.com/pion/dtls/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DTLS 1.5.2
Patch: github.com

Timelineinfo

04/19/2020 🔍
04/19/2020 +0 days 🔍
04/20/2020 +1 days 🔍
06/01/2024 +1503 days 🔍

Sourcesinfo

Product: github.com

Advisory: fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0
Status: Not defined

CVE: CVE-2019-20786 (🔍)
GCVE (CVE): GCVE-0-2019-20786
GCVE (VulDB): GCVE-100-154101

Entryinfo

Created: 04/20/2020 07:41
Updated: 06/01/2024 07:25
Changes: 04/20/2020 07:41 (38), 04/20/2020 07:46 (17), 06/01/2024 07:25 (20)
Complete: 🔍
Cache ID: 216::103