CVE-2023-42803

BigBlueButton Unrestricted File Upload vulnerability

State
Published
Severity
5.3 Medium
Published
Oct 30, 2023
Updated
Sep 6, 2024
Reserved
Sep 14, 2023

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HGitHub_M

Weaknesses

  • CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

ProductVersions
bigbluebuttonbigbluebutton
  • < 2.6.0-beta.2Affected

References

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