CVE-2022-41964 - BigBlueButton contains Response leaks in anonymous polls

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MEDIUM

BigBlueButton contains Response leaks in anonymous polls

Published Dec 16, 2022

5.7

MEDIUM

CVSS 3.1

EPSS 0.58%

Description

BigBlueButton is an open source web conferencing system. This vulnerability only affects release candidates of BigBlueButton 2.4. The attacker can start a subscription for poll results before starting an anonymous poll, and use this subscription to see individual responses in the anonymous poll. The attacker had to be a meeting presenter. This issue is patched in version 2.4.0. There are no workarounds.

Affected products

Vendor Bigbluebutton Product Bigbluebutton Default
n/a
- Version
  >= 2.4-alpha-1, < 2.4.0
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Bigbluebutton

n/a

Version	Status	Constraints
>= 2.4-alpha-1, < 2.4.0	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-200

Exposure of Sensitive Information

References (3)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-45070
Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0
x_refsource_MISCRelease NotesThird Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4
x_refsource_CONFIRMPatchThird Party Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-45070		Advisory
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v2.4.0		x_refsource_MISCRelease NotesThird Party Advisory
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-fgmj-rx7j-fqr4		x_refsource_CONFIRMPatchThird Party Advisory