CVE-2022-36009 Incorrect parsing of access level in gomatrixserverlib and dendrite

gomatrixserverlib is a Go library for matrix protocol federation. Dendrite is a Matrix homeserver written in Go, an alternative to Synapse. The power level parsing within gomatrixserverlib was failing to parse the "eventsdefault" key of the m.room.powerlevels event, defaulting the event default...

CVE-2022-36009

CVE-2022-36009 affects gomatrixserverlib (Matrix federation library) and the Dendrite server. The root cause was incorrect parsing of the m.room.power_levels events_default field, which could cause events to be improperly authorized or rejected in rooms where events_default had been changed. A fi...

The vulnerability of the data transmission software via the Matrix protocol in Element Desktop lies in the possibility of exploiting memory after it is freed, allowing an attacker to execute arbitrary code.

The vulnerability of the data transmission software via the Matrix protocol in Element Desktop is related to the possibility of using memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using a specially created link...

Fedora: Security Advisory for quaternion (FEDORA-2021-17a9cdcf98)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG 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-only ifdescription...

Fedora: Security Advisory for quaternion (FEDORA-2021-e1572c9b84)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG 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-only ifdescription...

[SECURITY] Fedora 35 Update: quaternion-0.0.95.1-1.fc35

Quaternion is a cross-platform desktop IM client for the Matrix protocol...

[SECURITY] Fedora 34 Update: quaternion-0.0.95.1-1.fc34

Quaternion is a cross-platform desktop IM client for the Matrix protocol...

CVE-2021-40823

A logic error in the room key sharing functionality of matrix-js-sdk aka Matrix Javascript SDK before 12.4.1 allows a malicious Matrix homeserver present in an encrypted room to steal room encryption keys via crafted Matrix protocol messages that were originally sent by affected Matrix clients...

CVE-2021-40824: Authentication Bypass by Spoofing

A logic error in the room key sharing functionality of Element Android before 1.2.2 and matrix-android-sdk2 aka Matrix SDK for Android before 1.2.2 allows a malicious Matrix homeserver present in an encrypted room to steal room encryption keys via crafted Matrix protocol messages that were...

UBUNTU-CVE-2021-34813

Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client while it is attempting to retrieve an Olm encrypted room key backup from the homeserver because olmpkdecrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build...

Hacker Breaks Into French Government's New Secure Messaging App

A white-hat hacker found a way to get into the French government's newly launched, secure encrypted messaging app that otherwise can only be accessed by officials and politicians with email accounts associated with the government identities. Dubbed "Tchap ," the end-to-end encrypted, open source...

Hacker Breaks Into French Government's New Secure Messaging App

A white-hat hacker found a way to get into the French government's newly launched, secure encrypted messaging app that otherwise can only be accessed by officials and politicians with email accounts associated with the government identities. Dubbed "Tchap," the end-to-end encrypted, open source...