GHSA-74XM-QJ29-CQ8P
Vulnerability from github – Published: 2021-05-25 18:42 – Updated: 2024-05-20 19:56
VLAI?
Summary
In github.com/pion/webrtc, failed DTLS certificate verification doesn't stop data channel communication
Details
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.
Severity ?
5.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/pion/webrtc/v3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.15"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-28681"
],
"database_specific": {
"cwe_ids": [
"CWE-863"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-21T21:29:41Z",
"nvd_published_at": null,
"severity": "MODERATE"
},
"details": "### Impact\nData channel communication was incorrectly allowed with users who have failed DTLS certificate verification.\n\nThis attack requires \n* Attacker knows the ICE password. \n* Only take place during PeerConnection handshake.\n\nThis attack can be detected by monitoring `PeerConnectionState` in all versions of Pion WebRTC.\n\n### Patches\nUsers should upgrade to v3.0.15. \n\nThe exact patch is https://github.com/pion/webrtc/commit/545613dcdeb5dedb01cce94175f40bcbe045df2e\n\n### Workarounds\nUsers should listen for when `PeerConnectionState` changes to `PeerConnectionStateFailed`. When it enters this state users should not continue using the PeerConnection.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in https://github.com/pion/webrtc\n* Email us at [team@pion.ly](mailto:team@pion.ly)\n\nThank you to https://github.com/Gaukas for discovering this.",
"id": "GHSA-74xm-qj29-cq8p",
"modified": "2024-05-20T19:56:37Z",
"published": "2021-05-25T18:42:42Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/pion/webrtc/security/advisories/GHSA-74xm-qj29-cq8p"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-28681"
},
{
"type": "WEB",
"url": "https://github.com/pion/webrtc/issues/1708"
},
{
"type": "WEB",
"url": "https://github.com/pion/webrtc/pull/1709"
},
{
"type": "WEB",
"url": "https://github.com/pion/webrtc/commit/545613dcdeb5dedb01cce94175f40bcbe045df2e"
},
{
"type": "PACKAGE",
"url": "https://github.com/pion/webrtc"
},
{
"type": "WEB",
"url": "https://pkg.go.dev/vuln/GO-2021-0104"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "In github.com/pion/webrtc, failed DTLS certificate verification doesn\u0027t stop data channel communication"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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