Impact
Element Web, starting from version 1.11.16 up to version 1.11.96, can be configured to load Element Call from an external URL. Under certain conditions, the external page is able to get access to the media encryption keys used for an Element Call call.
We classify this vulnerability as a Moderate severity one, despite the 3.8 CVSS score (3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N).
Patches
Version 1.11.97 fixes the problem.
Workarounds
Configure Element Web to load an instance of Element Call you control or trust.
For more information
If you have any questions or comments about this advisory, please email us at security at element.io.
Impact
Element Web, starting from version 1.11.16 up to version 1.11.96, can be configured to load Element Call from an external URL. Under certain conditions, the external page is able to get access to the media encryption keys used for an Element Call call.
We classify this vulnerability as a Moderate severity one, despite the 3.8 CVSS score (3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N).
Patches
Version 1.11.97 fixes the problem.
Workarounds
Configure Element Web to load an instance of Element Call you control or trust.
For more information
If you have any questions or comments about this advisory, please email us at security at element.io.