CVE-2022-41960: Insufficient Verification of Data Authenticity

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.3, are subject to Insufficient Verification of Data Authenticity, resulting in Denial of Service. An attacker can make a Meteor call to validateAuthToken using a victim's userId, meetingId, and an invalid authToken. Th...

PT-2022-26184 · Unknown · Bigbluebutton

Name of the Vulnerable Software and Affected Versions: BigBlueButton versions prior to 2.4.3 Description: The issue is related to Insufficient Verification of Data Authenticity, resulting in Denial of Service. An attacker can make a Meteor call to validateAuthToken using a victim's userId,...

Unrestricted File Upload

BigBlueButton 2.5.6 is vulnerable to unrestricted file upload, where the insertDocument API call does not validate the given file extension before saving the file, and does not remove it in case of validation failures. PoC: 1- Submit the request to insertDocument, specifying the extension:...

Path Traversal – Reading Certain File Extensions

BigBlueButton 2.5.6 is vulnerable to a path traversal vulnerability, that allows an attacker with a valid starting folder path, to traverse and read other files without authentication, assuming the files have certain extensions txt, swf, svg, png. PoC: 1- Submit a request to...

Blind SSRF When Inserting a Presentation

Description BigBlueButton was found that it allows for URLs provided by the clients to be directly invoked, without checking the validity of the URL. An attacker will be able to request to services on the local host, and even utilize a FILE URL although an exception happens due to an incorrect ca...

CVE-2020-27601

In BigBlueButton before 2.2.7, lockSettingsProps.disablePrivateChat does not apply to already opened chats. This occurs in bigbluebutton-html5/imports/ui/components/chat/service.js...

CVE-2020-27602

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken...

CVE-2020-27602

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken...

CVE-2020-27601

In BigBlueButton before 2.2.7, lockSettingsProps.disablePrivateChat does not apply to already opened chats. This occurs in bigbluebutton-html5/imports/ui/components/chat/service.js...

Code injection

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken...

Design/Logic Flaw

In BigBlueButton before 2.2.7, lockSettingsProps.disablePrivateChat does not apply to already opened chats. This occurs in bigbluebutton-html5/imports/ui/components/chat/service.js...

BigBlueButton 安全漏洞

BigBlueButton is an open source web conferencing system from the BigBlueButton community. A security vulnerability exists in BigBlueButton versions prior to 2.2.7, which stems from the fact that lockSettingsProps.disablePrivateChat does not apply to chats that are already open...

BigBlueButton 注入漏洞

BigBlueButton is an open source web conferencing system from the BigBlueButton community. A security vulnerability exists in BigBlueButton versions prior to 2.2.7, which stems from an unprotected mechanism for delimiter injection in meetingId, userId, and authToken...

The instability of the BigBlueButton server interface’s greenlight feature, related to the incorrect session duration, allows a violator to increase their privileges.

The vulnerability of the BigBlueButton greenlight server interface is related to an incorrect session duration. Exploiting this vulnerability could allow a malicious actor to increase their privileges remotely...

BigBlueButton 2.3 / 2.4.7 Cross Site Scripting

CVE-2022-31064 - Stored Cross-Site Scripting in BigBlueButton. ========================= Exploit Title: Stored Cross-Site Scripting XSS in BigBlueButton Product: BigBlueButton Vendor: BigBlueButton Vulnerable Versions: 2.3, IV. References -----------------...

BigBlueButton 2.3 / 2.4.7 Cross Site Scripting Vulnerability

CVE-2022-31064 - Stored Cross-Site Scripting in BigBlueButton. ========================= Exploit Title: Stored Cross-Site Scripting XSS in BigBlueButton Product: BigBlueButton Vendor: BigBlueButton Vulnerable Versions: 2.3, IV. References ------------------------- Security advisory...

BigBlueButton Cross-Site Scripting Vulnerability (CNVD-2022-58952)

BigBlueButton is an open source Web conferencing system from the BigBlueButton community.A cross-site scripting vulnerability exists in versions prior to BigBlueButton 2.4.8 and prior to 2.5.0, which stems from users in private chat-enabled meetings being vulnerable to malicious JavaScript attack...

BigBlueButton has an unspecified vulnerability (CNVD-2022-82634)

BigBlueButton is an open source Web conferencing system from the BigBlueButton community. BigBlueButton Greenlight has a security vulnerability that could be exploited by an attacker to view the settings of any room...

BigBlueButton Cross-Site Scripting Vulnerability (CNVD-2022-65311)

BigBlueButton is a Web conferencing system. versions prior to BigBlueButton 2.4.8 and prior to 2.5.0 have a cross-site scripting vulnerability that stems from the fact that users in private chat-enabled conferences are vulnerable to cross-site scripting attacks. An attacker could exploit the...

BigBlueButton Cross-Site Scripting Vulnerability (CNVD-2022-62183)

BigBlueButton is BigBlueButton community of a set of open source Web conferencing system . A cross-site scripting vulnerability exists in BigBlueButton v2.4.7 and earlier versions, which stems from a lack of checksum filtering of user-supplied and output data in the chat feature. An attacker can...