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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTc0eG0tcWoyOS1jcThw
In github.com/pion/webrtc, failed DTLS certificate verification doesn't stop data channel communication
Impact
Data channel communication was incorrectly allowed with users who have failed DTLS certificate verification.
This attack requires
- Attacker knows the ICE password.
- Only take place during PeerConnection handshake.
This attack can be detected by monitoring PeerConnectionState
in all versions of Pion WebRTC.
Patches
Users should upgrade to v3.0.15.
The exact patch is https://github.com/pion/webrtc/commit/545613dcdeb5dedb01cce94175f40bcbe045df2e
Workarounds
Users should listen for when PeerConnectionState
changes to PeerConnectionStateFailed
. When it enters this state users should not continue using the PeerConnection.
For more information
If you have any questions or comments about this advisory:
- Open an issue in https://github.com/pion/webrtc
- Email us at [email protected]
Thank you to https://github.com/Gaukas for discovering this.
Permalink: https://github.com/advisories/GHSA-74xm-qj29-cq8pJSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTc0eG0tcWoyOS1jcThw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: almost 3 years ago
Updated: 8 months ago
CVSS Score: 5.3
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Identifiers: GHSA-74xm-qj29-cq8p, CVE-2021-28681
References:
- https://github.com/pion/webrtc/security/advisories/GHSA-74xm-qj29-cq8p
- https://nvd.nist.gov/vuln/detail/CVE-2021-28681
- https://github.com/pion/webrtc/issues/1708
- https://github.com/pion/webrtc/pull/1709
- https://github.com/pion/webrtc/commit/545613dcdeb5dedb01cce94175f40bcbe045df2e
- https://pkg.go.dev/vuln/GO-2021-0104
- https://github.com/advisories/GHSA-74xm-qj29-cq8p
Blast Radius: 14.5
Affected Packages
go:github.com/pion/webrtc/v3
Dependent packages: 782Dependent repositories: 538
Downloads:
Affected Version Ranges: < 3.0.15
Fixed in: 3.0.15
All affected versions: 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14
All unaffected versions: 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.19, 3.0.20, 3.0.21, 3.0.22, 3.0.23, 3.0.24, 3.0.25, 3.0.26, 3.0.27, 3.0.28, 3.0.29, 3.0.30, 3.0.31, 3.0.32, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.1.13, 3.1.14, 3.1.15, 3.1.16, 3.1.17, 3.1.18, 3.1.19, 3.1.20, 3.1.21, 3.1.22, 3.1.23, 3.1.24, 3.1.25, 3.1.26, 3.1.27, 3.1.28, 3.1.29, 3.1.30, 3.1.31, 3.1.32, 3.1.33, 3.1.34, 3.1.35, 3.1.36, 3.1.37, 3.1.38, 3.1.39, 3.1.40, 3.1.41, 3.1.42, 3.1.43, 3.1.44, 3.1.45, 3.1.46, 3.1.47, 3.1.48, 3.1.49, 3.1.50, 3.1.51, 3.1.52, 3.1.53, 3.1.54, 3.1.55, 3.1.56, 3.1.57, 3.1.58, 3.1.59, 3.1.60, 3.1.61, 3.1.62, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.2.10, 3.2.11, 3.2.12, 3.2.13, 3.2.14, 3.2.15, 3.2.16, 3.2.17, 3.2.18, 3.2.19, 3.2.20, 3.2.21, 3.2.22, 3.2.23, 3.2.24