GSD-2022-29234
Vulnerability from gsd - Updated: 2023-12-13 01:19Details
BigBlueButton is an open source web conferencing system. Starting in version 2.2 and up to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s after the lock setting was enacted. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-29234",
"description": "BigBlueButton is an open source web conferencing system. Starting in version 2.2 and up to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s after the lock setting was enacted. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds.",
"id": "GSD-2022-29234"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-29234"
],
"details": "BigBlueButton is an open source web conferencing system. Starting in version 2.2 and up to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s after the lock setting was enacted. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds.",
"id": "GSD-2022-29234",
"modified": "2023-12-13T01:19:42.090215Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2022-29234",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "bigbluebutton",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "\u003e= 2.2, \u003c 2.3.18"
},
{
"version_affected": "=",
"version_value": "\u003e= 2.4, \u003c 2.4.1"
}
]
}
}
]
},
"vendor_name": "bigbluebutton"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds."
}
]
},
"impact": {
"cvss": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-285",
"lang": "eng",
"value": "CWE-285: Improper Authorization"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv",
"refsource": "MISC",
"url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-36vc-c338-6xjv"
},
{
"name": "https://github.com/bigbluebutton/bigbluebutton/pull/13850",
"refsource": "MISC",
"url": "https://github.com/bigbluebutton/bigbluebutton/pull/13850"
},
{
"name": "https://github.com/bigbluebutton/bigbluebutton/pull/14265",
"refsource": "MISC",
"url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265"
},
{
"name": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18",
"refsource": "MISC",
"url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.3.18"
},
{
"name": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1",
"refsource": "MISC",
"url": "https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.1"
}
]
},
"source": {
"advisory": "GHSA-36vc-c338-6xjv",
"discovery": "UNKNOWN"
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*",
"matchCriteriaId": "60814A0D-57C0-4407-B7DD-26A9D5C3DBB1",
"versionEndExcluding": "2.3.18",
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"vulnerable": true
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{
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"descriptions": [
{
"lang": "en",
"value": "BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting. Versions 2.3.18 and 2.4.1 contain a patch for this issue. There are currently no known workarounds."
},
{
"lang": "es",
"value": "BigBlueButton es un sistema de conferencias web de c\u00f3digo abierto. A partir de la versi\u00f3n 2.2 y versiones hasta 2.3.18 y 2.4.1, un atacante pod\u00eda enviar mensajes a un chat bloqueado dentro de un per\u00edodo de gracia de 5s despu\u00e9s de la configuraci\u00f3n del bloqueo. El atacante debe ser un participante en la reuni\u00f3n. Las versiones 2.3.18 y 2.4.1 contienen un parche para este problema. Actualmente no son conocidas mitigaciones"
}
],
"id": "CVE-2022-29234",
"lastModified": "2024-03-08T19:15:07.137",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
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"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.3,
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"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
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"exploitabilityScore": 2.8,
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"source": "security-advisories@github.com",
"type": "Secondary"
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},
"published": "2022-06-02T00:15:08.290",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
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],
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},
{
"source": "security-advisories@github.com",
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],
"url": "https://github.com/bigbluebutton/bigbluebutton/pull/14265"
},
{
"source": "security-advisories@github.com",
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"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-285"
}
],
"source": "security-advisories@github.com",
"type": "Primary"
}
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}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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