Privilege escalation in Bigbluebutton
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.
Vulnerability class: Privilege Escalation
EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Bigbluebutton — versions < 2.6.18, >= 2.7.0, < 2.7.8, >= 2.8.0, < 3.0.0-alpha.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-39302?
- CVE-2024-39302 is a low-severity vulnerability in Bigbluebutton, classified under Improper Privilege Management. CVSS score: 3.7/10. Published 2024-06-28.
- How severe is CVE-2024-39302?
- Low severity. CVSS v3 base score is 3.7 out of 10.