CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

Code injection

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

UBUNTU-CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

PYSEC-2019-186

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

PYSEC-2019-186

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

CVE-2019-18835

CVE-2019-18835 affects Matrix Synapse prior to 1.5.0. The root cause is improper signature verification on federation APIs; events sent over /send_join, /send_leave, and /invite may not be correctly signed or may not originate from the expected servers. This can allow spoofing or impersonation of...

CVE-2019-18835

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers...

PT-2019-15690 · Matrix +2 · Matrix Synapse +2

Name of the Vulnerable Software and Affected Versions: Matrix Synapse versions prior to 1.5.0 Description: The issue concerns the mishandling of signature checking on some federation APIs. Events sent over "/send join", "/send leave", and "/invite" API endpoints may not be correctly signed, or ma...

Fedora 30 : matrix-synapse (2019-80f1943143)

This release includes four security fixes : - Prevent an attack where a federated server could send redactions for arbitrary events in v1 and v2 rooms. - Prevent a denial-of-service attack where cycles of redaction events would make Synapse spin infinitely. - Prevent an attack where users could b...

Fedora Update for matrix-synapse FEDORA-2019-80f1943143

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 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...

FreeBSD : py-matrix-synapse -- multiple vulnerabilities (38d2df4d-b143-11e9-87e7-901b0e934d69)

Matrix developers report : The matrix team releases Synapse 1.2.1 as a critical security update. It contains patches relating to redactions and event federation : - Prevent an attack where a federated server could send redactions for arbitrary events in v1 and v2 rooms. - Prevent a...

py-matrix-synapse -- multiple vulnerabilities

Matrix developers report: The matrix team releases Synapse 1.2.1 as a critical security update. It contains patches relating to redactions and event federation: Prevent an attack where a federated server could send redactions for arbitrary events in v1 and v2 rooms. Prevent a denial-of-service...

Fedora Update for matrix-synapse FEDORA-2019-4d914f9257

The remote host is missing an update for the Copyright C 2019 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...

openSUSE Security Update : matrix-synapse (openSUSE-2019-475)

This update for matrix-synapse fixes the following security issue : - CVE-2018-12291: visibility rules were not applied correctly in the getmissingevents federation API boo1096833 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...

User Impersonation

matrix-synapse is vulnerable to user impersonation. If a configuration parameter called macaroonsecretkey is not set, the authentication secret key is derived using a predictable value and other secrets, allowing remote attackers to impersonate users...

CVE-2019-5885

Matrix Synapse before 0.34.0.1, when the macaroonsecretkey authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users...

CVE-2019-5885

Matrix Synapse before 0.34.0.1, when the macaroonsecretkey authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users...

DEBIAN-CVE-2019-5885

Matrix Synapse before 0.34.0.1, when the macaroonsecretkey authentication parameter is not set, uses a predictable value to derive a secret key and other secrets which could allow remote attackers to impersonate users...