CVE-2020-28954

web/controllers/ApiController.groovy in BigBlueButton before 2.2.29 lacks certain parameter sanitization, as demonstrated by accepting control characters in a user name.

CVSS v3.0 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/bigbluebutton/bigbluebutton/commit/e59bcd0c33a6a3203c011faa8823ba2cac1e4f37	Patch Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/issues/10818	Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.28...v2.2.29	Release Notes Third Party Advisory
https://github.com/bigbluebutton/bigbluebutton/commit/5c911ddeec4493f40f42e2f137800ed4692004a4	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*

Information

Published : 2020-11-19 14:15

Updated : 2020-11-29 15:41

NVD link : CVE-2020-28954

Mitre link : CVE-2020-28954

JSON object : View

CWE

CWE-116

Improper Encoding or Escaping of Output

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Products Affected

bigbluebutton

bigbluebutton

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