Attacker May Exploit Overly Elevated File Permissions in BigBlueButton to Pose Privilege Escalation Risk
CVE-2024-39302

3.7LOW

Key Information:

Vendor

Bigbluebutton

Status
Bigbluebutton
Vendor
CVE Published:
28 June 2024

What is CVE-2024-39302?

BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker may be able to exploit the overly elevated file permissions in the /usr/local/bigbluebutton/core/vendor/bundle/ruby/2.7.0/gems/resque-2.6.0 directory with the goal of privilege escalation, potentially exposing sensitive information on the server. This issue has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.

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Affected Version(s)

bigbluebutton < 2.6.18 < 2.6.18

bigbluebutton >= 2.7.0, < 2.7.8 < 2.7.0, 2.7.8

bigbluebutton >= 2.8.0, < 3.0.0-alpha.7 < 2.8.0, 3.0.0-alpha.7

References

https://github.com/bigbluebutton/bigbluebutton/security/a...
x_refsource_CONFIRM
https://github.com/bigbluebutton/bigbluebutton/commit/04e...
x_refsource_MISC
https://github.com/bigbluebutton/bigbluebutton/commit/b9a...
x_refsource_MISC

CVSS V3.1

Score:
3.7
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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