BigBlueButton contains Improper Preservation of Permissions for whiteboard
CVE-2022-41963

2.7LOW

Key Information:

Vendor

Bigbluebutton

Status
Bigbluebutton
Vendor
CVE Published:
16 December 2022

What is CVE-2022-41963?

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3 contain a whiteboard grace period that exists to handle delayed messages, but this grace period could be used by attackers to take actions in the few seconds after their access is revoked. The attacker must be a meeting participant. This issue is patched in version 2.4.3 an version 2.5-alpha-1

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Affected Version(s)

bigbluebutton < 2.4.3

References

https://github.com/bigbluebutton/bigbluebutton/security/a...
x_refsource_CONFIRM
https://github.com/bigbluebutton/bigbluebutton/releases/t...
x_refsource_MISC

CVSS V3.1

Score:
2.7
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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