SB2023062657 - Server-Side Request Forgery (SSRF) in BigBlueButton
Published: June 26, 2023 Updated: April 14, 2026
Security Bulletin ID
SB2023062657
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2023-33176)
The vulnerability allows a remote attacker to cause a denial of service and disclose sensitive information.
The vulnerability exists due to server-side request forgery in the insertDocument API request handling when downloading a presentation from a user-supplied URL. A remote attacker can supply a crafted URL to cause a denial of service and disclose sensitive information.
Exploitation requires knowledge of the API Secret Salt.
Remediation
Install update from vendor's website.