CVE-2022-31039— Improper privilege management - Anyone can view room settings in GreenLight
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I. Basic Information for CVE-2022-31039
Vulnerability Information
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Vulnerability Title
Improper privilege management - Anyone can view room settings in GreenLight
Source: NVD (National Vulnerability Database)
Vulnerability Description
Greenlight is a simple front-end interface for your BigBlueButton server. In affected versions an attacker can view any room's settings even though they are not authorized to do so. Only the room owner and administrator should be able to view a room's settings. This issue has been patched in release version 2.12.6.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
BigBlueButton 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BigBlueButton是BigBlueButton社区的一套开源的Web会议系统。 BigBlueButton Greenlight 存在安全漏洞，该漏洞源于存在信息泄露问题。攻击者在没有权限的情况下，可以查看任意设置。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bigbluebutton | greenlight | < 2.12.6 | - |
II. Public POCs for CVE-2022-31039
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/bigbluebutton/greenlight/pull/3508x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-31039
Same Patch Batch · bigbluebutton · 2022-06-27 · 3 CVEs total
| CVE-2022-31064 | 6.5 MEDIUM | Cross site scripting in username that will trigger by sending chat |
| CVE-2022-31065 | 6.5 MEDIUM | Cross site scripting vulnerability for private chat in bigbluebutton |
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V. Comments for CVE-2022-31039
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