What’s Vulnerable › Vulnerabilities

CVE-2024-39302: Some bbb-record-core files installed with wrong file permission

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-28 · updated 2026-06-17
• Weakness: CWE-269

Description

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.

Affected products

• bigbluebutton: before 2.6.18; from 2.7.0, < 2.7.8; from 2.8.0, < 3.0.0-alpha.7

References

• https://github.com/bigbluebutton/bigbluebutton/commit/04e916798b6b1f53f88513df3168f009b57b8f18
• https://github.com/bigbluebutton/bigbluebutton/commit/b9a46197ed924783f06a24381e923b3329b9c91a
• https://github.com/bigbluebutton/bigbluebutton/commit/f4502e4927609374f5356f824f5dac0101f9976a
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-5966-9hw8-q96q
• https://github.com/bigbluebutton/bigbluebutton/commit/04e916798b6b1f53f88513df3168f009b57b8f18
• https://github.com/bigbluebutton/bigbluebutton/commit/b9a46197ed924783f06a24381e923b3329b9c91a
• https://github.com/bigbluebutton/bigbluebutton/commit/f4502e4927609374f5356f824f5dac0101f9976a
• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-5966-9hw8-q96q

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