CVE-2023-29529
Vulnerability from cvelistv5
Published
2023-04-14 18:21
Modified
2024-08-02 14:14
Summary
matrix-js-sdk vulnerable to invisible eavesdropping in group calls
Impacted products
matrix-orgmatrix-js-sdk
Show details on NVD website


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          "shortName": "CVE"
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            "name": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q",
            "tags": [
              "x_refsource_CONFIRM",
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            "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
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          {
            "name": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401",
            "tags": [
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            "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
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            "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
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    "cna": {
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          "vendor": "matrix-org",
          "versions": [
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              "version": "\u003c 24.1.0"
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          "value": "matrix-js-sdk is the Matrix Client-Server SDK for JavaScript and TypeScript. An attacker present in a room where an MSC3401 group call is taking place can eavesdrop on the video and audio of participants using matrix-js-sdk, without their knowledge. To affected matrix-js-sdk users, the attacker will not appear to be participating in the call. This attack is possible because matrix-js-sdk\u0027s group call implementation accepts incoming direct calls from other users, even if they have not yet declared intent to participate in the group call, as a means of resolving a race condition in call setup. Affected versions do not restrict access to the user\u0027s outbound media in this case. Legacy 1:1 calls are unaffected. This is fixed in matrix-js-sdk 24.1.0. As a workaround, users may hold group calls in private rooms where only the exact users who are expected to participate in the call are present."
        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2023-04-14T18:21:17.050Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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          "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
        }
      ],
      "source": {
        "advisory": "GHSA-6g67-q39g-r79q",
        "discovery": "UNKNOWN"
      },
      "title": "matrix-js-sdk vulnerable to invisible eavesdropping in group calls"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "cveId": "CVE-2023-29529",
    "datePublished": "2023-04-14T18:21:17.050Z",
    "dateReserved": "2023-04-07T18:56:54.630Z",
    "dateUpdated": "2024-08-02T14:14:38.965Z",
    "state": "PUBLISHED"
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  }
}


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