py-matrix-synapse -- weakness in auth chain indexing allows DoS

Matrix developers report: Weakness in auth chain indexing allows DoS from remote room members through disk fill and high CPU usage. High severity...

GLSA-202401-12 : Synapse: Multiple Vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202401-12 Synapse: Multiple Vulnerabilities - Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. When users update their passwords, the new credentials may be briefly held in the serve...

Synapse: Multiple Vulnerabilities

Background Synapse is a Matrix homeserver written in Python/Twisted. Description Multiple vulnerabilities have been discovered in Synapse. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known...

[SECURITY] Fedora 38 Update: matrix-synapse-1.95.1-1.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...

[SECURITY] Fedora 39 Update: matrix-synapse-1.95.1-1.fc39

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-f8d216faed)

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: Security Advisory (FEDORA-2023-957972e77c)

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-f8d216faed)

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-f8d216faed advisory. Update to 1.95.1 CVE-2023-43796 ---- Update to v1.95.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Fedora 39 : matrix-synapse (2023-957972e77c)

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-957972e77c advisory. Update to 1.95.1 CVE-2023-43796 ---- Update to v1.95.0 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Fedora 39 : matrix-synapse (2023-4d4c73a8f0)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-4d4c73a8f0 advisory. Update to v1.94.0 CVE-2023-45129 ---- Update to v1.93.0 CVE-2023-41335, CVE-2023-42453 Tenable has extracted the preceding description block directl...

Microsoft Azure US Accelarators Synapse SAS Token Incorrect Permission Assignment Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on Microsoft Azure. Authentication is not required to exploit this vulnerability. The specific flaw exists within the permissions granted to an SAS token. An attacker can leverage this vulnerability to launch a supply-chain attac...

Fedora: Security Advisory (FEDORA-2023-4d4c73a8f0)

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...

SUSE 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...

GHSA-MP92-3JFM-3575 Synapse vulnerable to leak of remote user device information

Impact Cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. Patches System administrators are encouraged to upgrade to Synapse 1.95.1 as soon as possible. Workarounds The federationdomainwhitelist can be used ...

Synapse vulnerable to leak of remote user device information

Impact Cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. Patches System administrators are encouraged to upgrade to Synapse 1.95.1 as soon as possible. Workarounds The federationdomainwhitelist can be used ...

DEBIAN-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...

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...

UBUNTU-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...

Design/Logic Flaw

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...