CVE-2020-27604

BigBlueButton before 2.3 does not implement LibreOffice sandboxing, enabling remote authenticated users to read the API shared secret in bigbluebutton.properties and potentially join arbitrary meetings via api/join regardless of guestPolicy. Affected software: BigBlueButton prior to 2.3. Root cau...

CVE-2020-27604

BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the API shared secret in the bigbluebutton.properties file. With the API shared secret, an attacker can for example use api/join to join an arbitrary meeting...

CVE-2020-27605

Technical details about CVE-2020-27605 are not publicly available in the provided connected documents. Monitor for updates from official sources to assess affected components, impact, and remediation.

CVE-2020-27605

BigBlueButton through 2.2.28 uses Ghostscript for processing of uploaded EPS documents, and consequently may be subject to attacks related to a "schwache Sandbox."...

CVE-2020-27607

In BigBlueButton before 2.2.28 or earlier, the client-side Mute button only signifies that the server should stop accepting audio data from the client. It does not directly configure the client to stop sending audio data to the server, and thus a modified server could store the audio data and/or...

CVE-2020-27607

CVE-2020-27607 affects BigBlueButton before 2.2.28. The client-side Mute button does not directly stop sending audio; it only signals the server to stop accepting audio data. A modified server could store audio data and/or transmit it to participants or third parties. Affected component: client-s...

CVE-2020-27609

BigBlueButton through 2.2.28 records a video meeting despite the deactivation of video recording in the user interface. This may result in data storage beyond what is authorized for a specific meeting topic or participant...

CVE-2020-27609

CVE-2020-27609 affects BigBlueButton up to version 2.2.28, where video meetings are recorded despite the user interface indicating that video recording is deactivated. The result is potential data storage beyond what is authorized for a given meeting topic or participant. The connected Red Hat an...

CVE-2020-27611

CVE-2020-27611 affects BigBlueButton up to version 2.2.28 . The issue, described across sources, is that BigBlueButton uses STUN/TURN resources from a third party, which may represent an unintended endpoint. The publicly provided documents do not specify a concrete root cause in code, a CVE-preci...

CVE-2020-27611

BigBlueButton through 2.2.28 uses STUN/TURN resources from a third party, which may represent an unintended endpoint...

CVE-2020-27613

The installation procedure in BigBlueButton before 2.2.28 or earlier uses ClueCon as the FreeSWITCH password, which allows local users to achieve unintended FreeSWITCH access...

CVE-2020-27613

Summary: CVE-2020-27613 affects BigBlueButton before 2.2.28 where the installation procedure uses ClueCon as the FreeSWITCH password, enabling local users to gain unintended FreeSWITCH access. Affected software: BigBlueButton (versions before 2.2.28). Vulnerability details: Local authentication w...

CVE-2020-27612

CVE-2020-27612 affects BigBlueButton Greenlight up to version 2.2.28. The issue: usernames are included in room URLs, potentially leaking user identity to room participants or outsiders if a screenshot is shared. The connected documents confirm the impact as an information leak but do not provide...

CVE-2020-27610

BigBlueButton CVE-2020-27610 affects the BigBlueButton installation procedure prior to 2.2.28. The issue arises because the installer exposes certain network services to external interfaces and does not automatically configure a firewall to block external access. The prompt does not provide explo...

CVE-2020-27610

The installation procedure in BigBlueButton before 2.2.28 or earlier exposes certain network services to external interfaces, and does not automatically set up a firewall configuration to block external access...

CVE-2020-27608

In BigBlueButton before 2.2.28 or earlier, uploaded presentations are sent to clients without a Content-Type header, which allows XSS, as demonstrated by a .png file extension for an HTML document...

CVE-2020-27608

BigBlueButton vulnerability CVE-2020-27608 affects versions prior to 2.2.28. The issue stems from uploaded presentations being sent to clients without a Content-Type header, enabling cross-site scripting (XSS) evidenced by a .png file extension used for an HTML document. Impact is limited to XSS ...

CVE-2020-27606

BigBlueButton is affected pre-2.2.28: the session cookie is not marked Secure in HTTPS, enabling cookie capture if an attacker can observe HTTP traffic. Affected product: BigBlueButton; vulnerable component: session cookie handling; root cause: absence of Secure flag on the cookie in HTTPS sessio...

CVE-2020-27606

BigBlueButton before 2.2.28 or earlier does not set the secure flag for the session cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session...

CVE-2020-27602

CVE-2020-27602 (BigBlueButton) affects BigBlueButton versions prior to 2.2.7. The root cause is a lack of protection against separator injection in three parameters: meetingId, userId, and authToken. This vulnerability could enable unintended manipulation of identifiers and tokens due to insuffic...