CVE-2022-29222: Improper validation of client certificates in github.com/pion/dtls/v2

github.com/pion/dtls/v2 Updated 02 Oct 2025

Summary

01/07/2022

Disclosed on

CVE-2022-29222

CVE

Yes i

Fix available

Unrated

Severity

Not published

CVSS Score

CVE-2022-29222: Improper validation of client certificates in github.com/pion/dtls/v2. Affects github.com/pion/dtls/v2 versions < 2.1.5. Fixed in 2.1.5. How to fix ↓

Also tracked for

github.com/pion/dtls · Go
snowflake · Debian:12

The same CVE-2022-29222 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or Browse

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats

SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml

Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile

Javascript package-lock.json · yarn.lock · pnpm-lock.yaml

PHP composer.lock

Python poetry.lock · requirements.txt · Pipfile.lock

Go go.mod

Rust Cargo.lock

Ruby Gemfile.lock

Dart pubspec.lock

C/C++ conan.lock

Elixir mix.lock

Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Background

The github.com/pion/dtls/v2 package is a Go implementation of the Datagram Transport Layer Security (DTLS) protocol. It provides functionality for establishing secure communication channels over unreliable transport protocols, such as UDP. The package includes client and server implementations, as well as utilities for handling DTLS handshakes and data transmission. However, a vulnerability has been identified in the package's handling of client certificates, which could lead to the acceptance of invalid certificates.

Vulnerability Detail

The vulnerability in github.com/pion/dtls/v2 arises from improper validation of client certificates. DTLS client certificates are expected to be accompanied by proof that the client possesses the private key for the certificate. However, the Pion DTLS server does not correctly validate this proof, allowing an attacker to present any certificate and have it accepted as valid. This can lead to unauthorized access, man-in-the-middle attacks, and other security breaches.

How To Fix

Minimum fixed version

2.1.5

This is the first release that contains the fix.

go get github.com/pion/dtls/v2@v2.1.5

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

There is no known workaround for this vulnerability. It is recommended to update to the latest version of github.com/pion/dtls/v2 as soon as possible.

Conclusion

The vulnerability in github.com/pion/dtls/v2's handling of client certificates can lead to unauthorized access and other security breaches. It is crucial for developers to update to the latest version of the package (2.1.5 or later) to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for github.com/pion/dtls/v2 →