Fedora: Security Advisory for matrix-synapse (FEDORA-2021-f12fdca1bf)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

FreeBSD : py-matrix-synapse -- several vulnerabilities (a67e358c-0bf6-11ec-875e-901b0e9408dc)

Matrix developers report : This release patches two moderate severity issues which could reveal metadata about private rooms : - CVE-2021-39164: Enumerating a private room's list of members and their display names. - CVE-2021-39163: Disclosing a private room's name, avatar, topic, and number of...

CVE-2021-39163

Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the name, avatar, topic and number of members of a room if they know the ID of the room. This vulnerability is limited to homeservers where the vulnerable...

CVE-2021-39163

CVE-2021-39163 affects Matrix Synapse (Matrix.org) up to version 1.41.0, where unauthorised users could learn a room’s name, avatar, topic, and member count by knowing the room ID. Impact is limited to homeservers that have enable_group_creation set to true; administrators can already access this...

CVE-2021-39163 Adding a private/unlisted room to a community exposes room metadata in an unauthorised manner.

Matrix is an ecosystem for open federated Instant Messaging and Voice over IP. In versions 1.41.0 and prior, unauthorised users can access the name, avatar, topic and number of members of a room if they know the ID of the room. This vulnerability is limited to homeservers where the vulnerable...

py-matrix-synapse -- several vulnerabilities

Matrix developers report: This release patches two moderate severity issues which could reveal metadata about private rooms: CVE-2021-39164: Enumerating a private room's list of members and their display names. CVE-2021-39163: Disclosing a private room's name, avatar, topic, and number of members...