FKIE_CVE-2023-42803

Vulnerability from fkie_nvd - Published: 2023-10-30 19:15 - Updated: 2024-11-21 08:23
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.2 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. BigBlueButton 2.6.0-beta.2 contains a patch. There are no known workarounds.
References
security-advisories@github.comhttps://github.com/bigbluebutton/bigbluebutton/pull/15990Third Party Advisory
security-advisories@github.comhttps://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-w98f-6x8w-xhjcThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/bigbluebutton/bigbluebutton/pull/15990Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-w98f-6x8w-xhjcThird Party Advisory
Impacted products
Vendor Product Version
bigbluebutton bigbluebutton *
bigbluebutton bigbluebutton 2.6.0
bigbluebutton bigbluebutton 2.6.0
bigbluebutton bigbluebutton 2.6.0
bigbluebutton bigbluebutton 2.6.0
bigbluebutton bigbluebutton 2.6.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5F3F6566-B94F-4CBC-B1BA-DACA51865D76",
              "versionEndIncluding": "2.5.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:bigbluebutton:bigbluebutton:2.6.0:alpha1:*:*:*:*:*:*",
              "matchCriteriaId": "83C1F894-31BC-4C2D-AD62-837D990257CF",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "BigBlueButton is an open-source virtual classroom. BigBlueButton prior to version 2.6.0-beta.2 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. BigBlueButton 2.6.0-beta.2 contains a patch. There are no known workarounds."
    },
    {
      "lang": "es",
      "value": "BigBlueButton es un aula virtual de c\u00f3digo abierto. BigBlueButton anterior a la versi\u00f3n 2.6.0-beta.2 es vulnerable a la carga de archivos sin restricciones, donde la llamada a la API insertDocument no valida la extensi\u00f3n de archivo dada antes de guardar el archivo y no la elimina en caso de fallas de validaci\u00f3n. BigBlueButton 2.6.0-beta.2 contiene un parche. No se conocen workarounds."
    }
  ],
  "id": "CVE-2023-42803",
  "lastModified": "2024-11-21T08:23:11.353",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2023-10-30T19:15:07.963",
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      "tags": [
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      "tags": [
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  "vulnStatus": "Modified",
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}


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  • 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.