CVE-2022-41961 BigBlueButton subject to Ineffective user bans

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are subject to Ineffective user bans. The attacker could register multiple users, and join the meeting with one of them. When that user is banned, they could still join the meeting with the remaining registered...

CVE-2022-41961 BigBlueButton subject to Ineffective user bans

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are subject to Ineffective user bans. The attacker could register multiple users, and join the meeting with one of them. When that user is banned, they could still join the meeting with the remaining registered...

CVE-2022-41961 BigBlueButton subject to Ineffective user bans

BigBlueButton is an open source web conferencing system. Versions prior to 2.4-rc-6 are subject to Ineffective user bans. The attacker could register multiple users, and join the meeting with one of them. When that user is banned, they could still join the meeting with the remaining registered...

CVE-2022-41960

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...

Design/Logic Flaw

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...

BigBlueButton 数据伪造问题漏洞

BigBlueButton is an open source web conferencing system from the BigBlueButton community. A data forgery issue vulnerability exists in BigBlueButton versions prior to 2.4.3, which stems from being bound by insufficient data authenticity validation, resulting in a denial of service...

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 2.4-rc-6 and 2.5-alpha-1, which stems from an incorrect authorization containing the setting of emoji statuses, and can be exploited by an...

PT-2022-26188 · Unknown · Bigbluebutton

Name of the Vulnerable Software and Affected Versions: BigBlueButton versions prior to 2.4.0 Description: The issue affects BigBlueButton, an open source web conferencing system, and allows an attacker who is a meeting presenter to start a subscription for poll results before starting an anonymou...

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 2.4.0, which stems from exposing sensitive information to unauthorized participants, and affects voting meetings where the attacker is a...

BigBlueButton 信息泄露漏洞

BigBlueButton is an open source web conferencing system from the BigBlueButton community. An information disclosure vulnerability exists in versions of BigBlueButton prior to 2.4.0, which can be exploited by an attacker to start a subscription to the results of an anonymous poll before it is...

BigBlueButton 访问控制错误漏洞

BigBlueButton is an open source web conferencing system from the BigBlueButton community. An access control error vulnerability exists in versions prior to BigBlueButton 2.4-rc-6 that stems from being subject to an invalid user ban, which could be exploited by an attacker to register multiple use...

PT-2022-26186 · Unknown · Bigbluebutton

Name of the Vulnerable Software and Affected Versions: BigBlueButton versions prior to 2.4-rc-6 BigBlueButton versions prior to 2.5-alpha-1 Description: BigBlueButton is an open source web conferencing system. The issue concerns Incorrect Authorization for setting emoji status. A user with...

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 2.4.3 that stems from the inclusion of a whiteboard grace period for handling delayed messages, which can be exploited by an attacker to tak...

CVE-2022-41960 BigBlueButton contains DoS via failed authToken validation

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...

CVE-2022-41960 BigBlueButton contains DoS via failed authToken validation

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...

CVE-2022-41960

CVE-2022-41960 (BigBlueButton) affects BigBlueButton versions prior to 2.4.3. The issue is due to Insufficient Verification of Data Authenticity that allows a participant to trigger a Denial of Service by calling validateAuthToken with a victim’s userId, meetingId, and an invalid authToken. The v...

CVE-2022-41960 BigBlueButton contains DoS via failed authToken validation

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...