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...

UBUNTU-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

CVE-2023-45129 affects Synapse (Matrix homeserver). Before version 1.94.0, a malicious server ACL event can cause a (persistent) denial of service, impacting performance and reliability. Closed federation deployments are not affected. Mitigation: upgrade to Synapse 1.94.0 or later. As a workaroun...

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 matrix-synapse vulnerable to denial of service due to malicious server ACL events

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 matrix-synapse vulnerable to denial of service due to malicious server ACL events

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...

Matrix Synapse Security Vulnerability

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A security vulnerability exists in Matrix Synapse versions prior to 1.94.0 that stems from a malicious server ACL event that can impact server performance and lead to a denial of service DOS...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-84ee781688)

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 38 Update: matrix-synapse-1.93.0-2.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...

[SECURITY] Fedora 37 Update: matrix-synapse-1.80.0-6.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 (2023-5d980e6aaf)

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-5d980e6aaf advisory. Backport fixes for CVE-2023-41335, CVE-2023-42453 Tenable has extracted the preceding description block directly from the Fedora security advisory...

Fedora: Security Advisory for matrix-synapse (FEDORA-2023-5d980e6aaf)

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 (2023-84ee781688)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-84ee781688 advisory. Update to v1.93.0 CVE-2023-41335, CVE-2023-42453 Tenable has extracted the preceding description block directly from the Fedora security advisory...

SUSE CVE-2023-42453

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. Users were able to forge read receipts for any event if they knew the room ID and event ID. Note that the users were not able to view the events, but simply mark it as read. This could be confusing as...

CVE-2023-43656

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...

Design/Logic Flaw

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...

CVE-2023-43656

CVE-2023-43656 affects matrix-hookshot. When transformation functions are enabled (generic.allowJsTransformationFunctions), an attacker could break out of the vm2 sandbox, making Hookshot vulnerable. This primarily concerns instances where untrusted users can apply their own transformation functi...

CVE-2023-43656 Sandbox escape for instances that have enabled transformation functions in matrix-hookshot

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...

CVE-2023-43656 Sandbox escape for instances that have enabled transformation functions in matrix-hookshot

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...

CVE-2023-43656 Sandbox escape for instances that have enabled transformation functions in matrix-hookshot

matrix-hookshot is a Matrix bot for connecting to external services like GitHub, GitLab, JIRA, and more. Instances that have enabled transformation functions those that have generic.allowJsTransformationFunctions in their config, may be vulnerable to an attack where it is possible to break out of...