CVE-2024-38518

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-38518
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-38518.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-38518
Aliases
  • GHSA-4m48-49h7-f3c4
Published
2024-06-28T20:25:40.743Z
Modified
2025-12-05T05:09:14.550470Z
Severity
  • 4.6 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L CVSS Calculator
Summary
bbb-web API additional parameters considered
Details

BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.

Database specific 
{
    "cwe_ids": [
        "CWE-284"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38518.json"
}
References

Affected packages

Git / github.com/bigbluebutton/bigbluebutton

Affected ranges

Type
GIT
Repo
https://github.com/bigbluebutton/bigbluebutton
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c4e7f85820f267a4ef4424193c9d0d7b3d2338e4
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.6.18"
        }
    ]
}
Type
GIT
Repo
https://github.com/bigbluebutton/bigbluebutton
Events
Introduced
6d281a2655f6a87d162dda7d32f0423741a382d1
Fixed
f57a1d07de5066725a3f18eba28d8f531cc81448
Database specific 
{
    "versions": [
        {
            "introduced": "2.7.0"
        },
        {
            "fixed": "2.7.8"
        }
    ]
}

Affected versions

0.*

0.81-dev-deskshare-fixes-compatible-with-0.8

2.*

2.2-beta-10
2.2-beta-11
2.2-beta-12
2.2-beta-14
2.2-beta-15
2.2-beta-16
2.2-beta-17
2.2-beta-18
2.2-beta-19
2.2-beta-2
2.2-beta-20
2.2-beta-21
2.2-beta-22
2.2-beta-23
2.2-beta-3
2.2-beta-4
2.2-beta-5
2.2-beta-6
2.2-beta-7
2.2-beta-8
2.2-beta-9
2.2-rc-1
2.2-rc-2
2.2-rc-3
2.2-rc-4
2.2-rc-5
2.2-rc-6
2.4-rc-2
2.5.0-rc.3

Other

dcs-2-a
pre-recording-merge

v0.*

v0.7
v0.71
v0.71a
v0.8
v0.81
v0.81b
v0.81rc
v0.81rc2
v0.81rc3
v0.81rc4
v0.81rc5
v0.8b4
v0.8b4.0
v0.8rc2
v0.9.0-beta
v0.9.1
v0.9.2

v1.*

v1.0.0
v1.1.0

v2.*

v2.0-rc2
v2.0-rc3
v2.0-rc4
v2.0-rc5
v2.0-rc6
v2.0-rc7
v2.0.x-html5-beta1
v2.2.0
v2.2.1
v2.2.10
v2.2.11-good
v2.2.12
v2.2.14
v2.2.15
v2.2.16
v2.2.17
v2.2.18
v2.2.19
v2.2.2
v2.2.20
v2.2.21
v2.2.22
v2.2.23
v2.2.24
v2.2.25
v2.2.26
v2.2.27
v2.2.28
v2.2.29
v2.2.3
v2.2.30
v2.2.31
v2.2.32
v2.2.33
v2.2.34
v2.2.35
v2.2.36
v2.2.4
v2.2.5
v2.2.6
v2.2.7
v2.2.8
v2.2.9
v2.3-alpha-1
v2.3-alpha-2
v2.3-alpha-3
v2.3-alpha-4
v2.3-alpha-5
v2.3-alpha-6
v2.3-alpha-7
v2.3-alpha-8
v2.3-beta-1
v2.3-beta-2
v2.3-beta-3
v2.3-beta-4
v2.3-beta-5
v2.3-rc-1
v2.3-rc-2
v2.3.0
v2.3.1
v2.3.10
v2.3.11
v2.3.12
v2.3.13
v2.3.14
v2.3.2
v2.3.3
v2.3.4
v2.3.5
v2.3.6
v2.3.7
v2.3.8
v2.3.9
v2.4-alpha-1
v2.4-alpha-2
v2.4-beta-1
v2.4-beta-2
v2.4-beta-3
v2.4-beta-4
v2.4-rc-1
v2.4-rc-3
v2.4-rc-4
v2.4-rc-5
v2.4-rc-6
v2.4-rc-7
v2.4.0
v2.4.1
v2.4.2
v2.4.3
v2.4.4
v2.4.5
v2.4.6
v2.5-alpha-1
v2.5-alpha-2
v2.5-alpha-3
v2.5-alpha-4
v2.5.0
v2.5.0-alpha.5
v2.5.0-alpha.6
v2.5.0-beta.1
v2.5.0-beta.2
v2.5.0-rc.1
v2.5.0-rc.2
v2.5.0-rc.4
v2.5.1
v2.5.10
v2.5.11
v2.5.2
v2.5.3
v2.5.4
v2.5.5
v2.5.6
v2.5.7
v2.5.8
v2.5.9
v2.6.0
v2.6.0-alpha.1
v2.6.0-alpha.2
v2.6.0-alpha.3
v2.6.0-alpha.4
v2.6.0-beta.1
v2.6.0-beta.2
v2.6.0-beta.3
v2.6.0-beta.4
v2.6.0-beta.5
v2.6.0-beta.6
v2.6.0-beta.7
v2.6.0-rc.1
v2.6.0-rc.2
v2.6.0-rc.3
v2.6.0-rc.4
v2.6.0-rc.5
v2.6.0-rc.6
v2.6.0-rc.7
v2.6.0-rc.8
v2.6.0-rc.9
v2.6.1
v2.6.10
v2.6.11
v2.6.12
v2.6.14
v2.6.15
v2.6.16
v2.6.17
v2.6.2
v2.6.3
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.6.9
v2.7.0
v2.7.1
v2.7.2
v2.7.3
v2.7.4
v2.7.5
v2.7.6
v2.7.7

v3.*

v3.0.0-alpha.5