PYSEC-2023-230

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

CVE-2023-43796

The CVE-2023-43796 vulnerability affects Synapse (Matrix homeserver). Before versions 1.95.1 and 1.96.0rc1, cached device information of remote users could be queried, enabling enumeration of users known to a homeserver. The issue is mitigated by upgrading to Synapse 1.95.1 or 1.96.0rc1. As a wor...

CVE-2023-43796

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

CVE-2023-43796 Synapse vulnerable to leak of remote user device information

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

CVE-2023-43796 Synapse vulnerable to leak of remote user device information

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

CVE-2023-43796

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

CVE-2023-43796

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

Matrix Synapse Information Disclosure Vulnerability

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. An information disclosure vulnerability exists in Matrix Synapse versions prior to 1.95.1, prior to 1.96.0rc1, which stems from the ability to query a remote user's cached device information from...

PT-2023-28988 · Synapse +2 · Synapse +2

Name of the Vulnerable Software and Affected Versions: Synapse versions prior to 1.95.1 and 1.96.0rc1 Description: Synapse is an open-source Matrix homeserver. Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to...

CVE-2023-43796: Exposure of Sensitive Information to an Unauthorized Actor

Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or...

The vulnerability of the Access Control List (ACL) management mechanism in the Synapse home server allows a perpetrator to trigger a service failure.

The vulnerability of the Access Control List ACL management mechanism in the Synapse home server is related to the unrestricted and unregulated distribution of resources. Exploiting this vulnerability could allow a malicious actor to cause service failures...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-954c2ec5bd)

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-1.80.0-7.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...

Fedora 37 : matrix-synapse (2023-954c2ec5bd)

The remote Fedora 37 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-954c2ec5bd advisory. Backport fix for CVE-2023-45129 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

[SECURITY] Fedora 38 Update: matrix-synapse-1.94.0-2.fc38

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...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-c3c8cc5f8b)

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...

Fedora 38 : matrix-synapse (2023-c3c8cc5f8b)

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-c3c8cc5f8b advisory. Update to v1.94.0 CVE-2023-45129 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

SUSE CVE-2023-45129

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malicious server ACL event can impact performance temporarily or permanently leading to a persistent denial of service. Homeservers running on a closed federation which...

CVE-2023-45129

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Prior to version 1.94.0, a malicious server ACL event can impact performance temporarily or permanently leading to a persistent denial of service. Homeservers running on a closed federation which...

GHSA-5CHR-WJW5-3GQ4 matrix-synapse vulnerable to denial of service due to malicious server ACL events

Impact A malicious server ACL event can impact performance temporarily or permanently leading to a persistent denial of service. Homeservers running on a closed federation which presumably do not need to use server ACLs are not affected. Patches Server administrators are advised to upgrade to...