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GHSA-74xm-qj29-cq8p
No affected components available
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 team@pion.ly
Thank you to https://github.com/Gaukas for discovering this.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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