Authorization Bypass

matrix-synapse is vulnerable to Authorization Bypass. The vulnerability exists because it does not properly validate the deactivated status of users during login time. which allows a user to login even if there account is deactivated. Note that this vulnerability only applies if JSON Web Tokens a...

Fedora 37 : matrix-synapse (2023-eb65439ec0)

The remote Fedora 37 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-eb65439ec0 advisory. Security fix for CVE-2022-39335 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-eb65439ec0)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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 37 Update: matrix-synapse-1.63.1-3.fc37

Matrix is an ambitious new ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix from the core development team at matrix.org, written in Python/Twisted. It is intended to showcase the concept of Matrix and let folks see the spec in...

SUSE CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

DEBIAN-CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

DEBIAN-CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

PYSEC-2023-85

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

Design/Logic Flaw

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

UBUNTU-CVE-2023-32683

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

Server side request forgery (ssrf)

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

PYSEC-2023-84

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

PYSEC-2023-85

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

UBUNTU-CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

CVE-2023-32683 URL deny list bypass via oEmbed and image URLs when generating previews in Synapse

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32683

Synapse (Python, Twisted) contains a vulnerability CVE-2023-32683 where a discovered oEmbed or image URL can bypass the url_preview_url_blacklist, potentially enabling server-side request forgery or bypassing network policies. The impact is constrained to IPs allowed by url_preview_ip_range_black...