CVE-2023-42803

Published: Oct 30, 2023

Modified: Sep 6, 2024

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

Vendor	Product	Versions
bigbluebutton	bigbluebutton	affected `< 2.6.0-beta.2`

Weaknesses (CWE)

CWE-434

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-w98f-6x8w-xhjc

x_refsource_CONFIRM

https://github.com/bigbluebutton/bigbluebutton/pull/15990

x_refsource_MISC

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CVE-2023-42803

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References