CVE-2022-29236 Improper access control for pencil annotations in BigBlueButton

BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4-rc-6, an attacker can circumvent access restrictions for drawing on the whiteboard. The permission check is inadvertently skipped on the server, due to a previously introduced gra...

CVE-2022-29234

BigBlueButton vulnerability CVE-2022-29234 allows a participant to send messages to a locked chat within a 5-second grace period after the lock settings take effect. Affected versions include 2.2 through 2.3.17 and 2.4.0. The issue is mitigated by patches in version 2.3.18 and 2.4.1, which close ...

CVE-2022-29234 Grace period for lock settings in public/private chats in BigBlueButton

BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting...

CVE-2022-29234 Grace period for lock settings in public/private chats in BigBlueButton

BigBlueButton is an open source web conferencing system. Starting in version 2.2 and prior to versions 2.3.18 and 2.4.1, an attacker could send messages to a locked chat within a grace period of 5s any lock setting in the meeting was changed. The attacker needs to be a participant in the meeting...

CVE-2022-29233 Improper access control for breakout rooms in BigBlue Button

BigBlueButton is an open source web conferencing system. In BigBlueButton starting with 2.2 but before 2.3.18 and 2.4-rc-1, an attacker can circumvent access controls to gain access to all breakout rooms of the meeting they are in. The permission checks rely on knowledge of internal ids rather th...

CVE-2022-29233 Improper access control for breakout rooms in BigBlue Button

BigBlueButton is an open source web conferencing system. In BigBlueButton starting with 2.2 but before 2.3.18 and 2.4-rc-1, an attacker can circumvent access controls to gain access to all breakout rooms of the meeting they are in. The permission checks rely on knowledge of internal ids rather th...

CVE-2022-29233

Summary: CVE-2022-29233 affects BigBlueButton and allows an attacker in a meeting to bypass access controls to reach all breakout rooms. The root cause is permission checks that rely on internal IDs rather than validating the user’s role. Affected versions: 2.2 up to before 2.3.18 and 2.4-rc-1. F...

CVE-2022-29232

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a...

CVE-2022-29169

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...

Design/Logic Flaw

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...

Design/Logic Flaw

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a...

CVE-2022-29232 Exposure of messages in BigBlueButton public chats

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a...

CVE-2022-29232 Exposure of messages in BigBlueButton public chats

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a...

CVE-2022-29232 Exposure of messages in BigBlueButton public chats

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a...

CVE-2022-29232

CVE-2022-29232 affects BigBlueButton: versions prior to 2.3.9 and 2.4-beta-1 disclose public chat messages across meetings to participants in a server where access controls are bypassed. The root cause is improper access control for meeting chat content. Patches are available in 2.3.9 and 2.4-bet...

CVE-2022-29169 ReDoS on endpoint html5client/useragent in BigBlueButton

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...

CVE-2022-29169 ReDoS on endpoint html5client/useragent in BigBlueButton

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...

CVE-2022-29169

BigBlueButton is vulnerable to a ReDoS in the bbb-html5 service due to the useragent lookup path. Affected software: BigBlueButton versions starting with 2.2 and before 2.3.19, 2.4.7, and 2.5.0-beta.2. Root cause: the useragent.lookup() function uses regex-based input handling in html5client/user...

CVE-2022-29169 ReDoS on endpoint html5client/useragent in BigBlueButton

BigBlueButton is an open source web conferencing system. Versions starting with 2.2 and prior to 2.3.19, 2.4.7, and 2.5.0-beta.2 are vulnerable to regular expression denial of service ReDoS attacks. By using specific a RegularExpression, an attacker can cause denial of service for the bbb-html5...

PT-2022-19485 · Unknown · Bigbluebutton

Name of the Vulnerable Software and Affected Versions: BigBlueButton versions 2.2 through 2.3.17 BigBlueButton versions 2.4-rc-1 through 2.4-rc-5 Description: BigBlueButton is an open source web conferencing system. An attacker who is able to obtain the meeting identifier for a meeting on a serve...