Headline

CVE-2023-47107: Account takeover through password reset poisoning

PILOS is an open source front-end for BigBlueButton servers with a built-in load balancer. The password reset component deployed within PILOS uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to PILOS users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed. This only affects local user accounts and requires the password reset option to be enabled. This issue has been patched in version 2.3.0.

1 year ago

CVE

Open in Source

Impact

The password reset component deployed within PILOS uses the hostname supplied within the request host header when building a password reset URL. It may be possible to manipulate the URL sent to PILOS users when so that it points to the attackers server thereby disclosing the password reset token if/when the link is followed.

This only affects local user accounts and requires the password reset option to be enabled.

Patches

Users should update to v2.3

Workarounds

Set an explict Host and X-Forwarded-Host header in the reverse proxy.

References