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

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-2020-27606

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

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-2020-27602

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...

CVE-2020-25820

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field...

CVE-2020-25820

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field...

Server side request forgery (ssrf)

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field...

CVE-2020-25820

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field...

CVE-2020-25820

CVE-2020-25820 — BigBlueButton before 2.2.7 allows remote authenticated users to read local files and perform server-side requests via an uploaded Office document containing a crafted URL in an ODF xlink field, enabling Arbitrary File Disclosure and SSRF. Affected product: BigBlueButton web confe...

CVE-2020-25820

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field...

PT-2020-16711 · Bigbluebutton · Bigbluebutton

Name of the Vulnerable Software and Affected Versions: BigBlueButton versions prior to 2.2.7 Description: The issue arises from the lockSettingsProps.disablePrivateChat setting not being applied to chats that are already open. This problem is located in the...

CVE-2020-27611: Use of a Broken or Risky Cryptographic Algorithm

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