Vulnerability-Lookup

CVE-2023-29529 (GCVE-0-2023-29529)

Vulnerability from cvelistv5 – Published: 2023-04-14 18:21 – Updated: 2025-02-06 18:45

Title

matrix-js-sdk vulnerable to invisible eavesdropping in group calls

Summary

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's 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's 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.

Severity

5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-06 18:45 UTC

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/matrix-org/matrix-js-sdk/secur…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-spec-proposa…	x_refsource_MISC
https://github.com/matrix-org/matrix-js-sdk/relea…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
matrix-org	matrix-js-sdk	Affected: < 24.1.0	guessed

Show details on NVD website

JSON

To clipboard

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              ],
              "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
            },
            {
              "name": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0",
              "tags": [
                "x_refsource_MISC"
              ],
              "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",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-29529",
        "datePublished": "2023-04-14T18:21:17.050Z",
        "dateReserved": "2023-04-07T18:56:54.630Z",
        "dateUpdated": "2025-02-06T18:45:34.043Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2023-29529

Vulnerability from fkie_nvd - Published: 2023-04-14 19:15 - Updated: 2026-06-17 05:50

Severity

5.0 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0	Release Notes
security-advisories@github.com	https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q	Vendor Advisory
security-advisories@github.com	https://github.com/matrix-org/matrix-spec-proposals/pull/3401	Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/matrix-org/matrix-spec-proposals/pull/3401	Issue Tracking, Patch

Impacted products

	Vendor	Product	Version
	matrix	javascript_sdk	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "matrix-js-sdk",
          "vendor": "matrix-org",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 24.1.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "F434D632-322B-4A24-A585-53A983E63A6A",
              "versionEndExcluding": "24.1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    }
  ],
  "id": "CVE-2023-29529",
  "lastModified": "2026-06-17T05:50:28.423",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "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"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-29529",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-06T18:45:25.233233Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-04-14T19:15:09.400",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-6G67-Q39G-R79Q

Vulnerability from github – Published: 2023-04-14 16:14 – Updated: 2023-04-25 16:35

Summary

matrix-js-sdk vulnerable to invisible eavesdropping in group calls

Details

Impact

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's 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's outbound media in this case.

Legacy 1:1 calls are unaffected.

Workarounds

Users may hold group calls in private rooms where only the exact users who are expected to participate in the call are present.

Severity

5.0 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "matrix-js-sdk"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "24.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-29529"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-04-14T16:14:17Z",
    "nvd_published_at": "2023-04-14T19:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nAn attacker present in a room where an [MSC3401](https://github.com/matrix-org/matrix-spec-proposals/pull/3401) 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.\n\nThis 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.\n\nLegacy 1:1 calls are unaffected.\n\n### Workarounds\n\nUsers may hold group calls in private rooms where only the exact users who are expected to participate in the call are present.",
  "id": "GHSA-6g67-q39g-r79q",
  "modified": "2023-04-25T16:35:38Z",
  "published": "2023-04-14T16:14:17Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29529"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/matrix-org/matrix-js-sdk"
    },
    {
      "type": "WEB",
      "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "matrix-js-sdk vulnerable to invisible eavesdropping in group calls"
}

GSD-2023-29529

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-29529

Aliases

CVE-2023-29529

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-29529",
    "id": "GSD-2023-29529"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-29529"
      ],
      "details": "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.",
      "id": "GSD-2023-29529",
      "modified": "2023-12-13T01:20:57.436716Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-29529",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "matrix-js-sdk",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003c 24.1.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "matrix-org"
            }
          ]
        }
      },
      "data_format": "MITRE",
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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."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "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"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-862",
                "lang": "eng",
                "value": "CWE-862: Missing Authorization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q",
            "refsource": "MISC",
            "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
          },
          {
            "name": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401",
            "refsource": "MISC",
            "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
          },
          {
            "name": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0",
            "refsource": "MISC",
            "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-6g67-q39g-r79q",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c24.1.0",
          "affected_versions": "All versions before 24.1.0",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2023-04-25",
          "description": "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.",
          "fixed_versions": [
            "24.1.0"
          ],
          "identifier": "CVE-2023-29529",
          "identifiers": [
            "CVE-2023-29529",
            "GHSA-6g67-q39g-r79q"
          ],
          "not_impacted": "All versions starting from 24.1.0",
          "package_slug": "npm/matrix-js-sdk",
          "pubdate": "2023-04-14",
          "solution": "Upgrade to version 24.1.0 or above.",
          "title": "Missing Authorization",
          "urls": [
            "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q",
            "https://nvd.nist.gov/vuln/detail/CVE-2023-29529",
            "https://github.com/matrix-org/matrix-spec-proposals/pull/3401",
            "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0",
            "https://github.com/advisories/GHSA-6g67-q39g-r79q"
          ],
          "uuid": "33b2b07d-24e6-4405-8ee9-99d58911c8fd"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:matrix:javascript_sdk:*:*:*:*:*:node.js:*:*",
                "cpe_name": [],
                "versionEndExcluding": "24.1.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
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        "description": {
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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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-noinfo"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
            },
            {
              "name": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
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              ],
              "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
            },
            {
              "name": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2023-04-25T14:06Z",
      "publishedDate": "2023-04-14T19:15Z"
    }
  }
}

UBUNTU-CVE-2023-29529 (CVE-2023-29529)

Vulnerability from osv_ubuntu – Published: 2023-04-14 19:15 – Updated: 2025-10-24 05:01 – Source website

Details

Severity

5.0 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

5.3 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-29529	REPORT
	https://github.com/matrix-org/matrix-js-sdk/secur…	REPORT
	https://github.com/matrix-org/matrix-spec-proposa…	REPORT
	https://github.com/matrix-org/matrix-js-sdk/relea…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-29529	REPORT

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{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjs-matrix-js-sdk",
            "binary_version": "0.9.2-1"
          },
          {
            "binary_name": "node-matrix-js-sdk",
            "binary_version": "0.9.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "node-matrix-js-sdk",
        "purl": "pkg:deb/ubuntu/node-matrix-js-sdk@0.9.2-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.9.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjs-matrix-js-sdk",
            "binary_version": "9.11.0+~cs9.9.16-1"
          },
          {
            "binary_name": "node-matrix-js-sdk",
            "binary_version": "9.11.0+~cs9.9.16-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "node-matrix-js-sdk",
        "purl": "pkg:deb/ubuntu/node-matrix-js-sdk@9.11.0+~cs9.9.16-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.3.0+~cs9.9.16-2",
        "9.11.0+~cs9.9.16-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libjs-matrix-js-sdk",
            "binary_version": "9.11.0+~cs9.9.16-2"
          },
          {
            "binary_name": "node-matrix-js-sdk",
            "binary_version": "9.11.0+~cs9.9.16-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "node-matrix-js-sdk",
        "purl": "pkg:deb/ubuntu/node-matrix-js-sdk@9.11.0+~cs9.9.16-2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "9.11.0+~cs9.9.16-2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2023-29529",
  "modified": "2025-10-24T05:01:55Z",
  "published": "2023-04-14T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-29529"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-6g67-q39g-r79q"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3401"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/matrix-org/matrix-js-sdk/releases/tag/v24.1.0"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-29529"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-29529"
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-29529 (GCVE-0-2023-29529)

FKIE_CVE-2023-29529

GHSA-6G67-Q39G-R79Q

Impact

Workarounds

GSD-2023-29529

UBUNTU-CVE-2023-29529 (CVE-2023-29529)

Tags

Sightings

Nomenclature

Related by attack behaviour