1341 matches found
CVE-2022-39335: Exposure of Sensitive Information to an Unauthorized Actor
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorization events in a room. This is necessary so that a homeserver receiving some events can validate that those events are...
CVE-2023-32323
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disable...
CVE-2023-32323: Improper Input Validation
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disable...
Matrix 资源管理错误漏洞
Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. Matrix Synapse suffers from a security vulnerability that stems from the fact that if both Synapse and a malicious home server join the same room, the malicious home server can trick Synapse into...
CVE-2022-39374: Uncontrolled Resource Consumption
Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that...
Synapse Outgoing federation to specific hosts can be disabled by sending malicious invites
Impact A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. Details The Matrix protocol allows homeservers to provide an...
GHSA-F3WC-3VXV-XMVR Synapse Outgoing federation to specific hosts can be disabled by sending malicious invites
Impact A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. Details The Matrix protocol allows homeservers to provide an...
Synapse Denial of service due to incorrect application of event authorization rules during state resolution
Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes se...
GHSA-P9QP-C452-F9R7 Synapse Denial of service due to incorrect application of event authorization rules during state resolution
Impact If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes se...
Synapse does not apply enough checks to servers requesting auth events of events in a room
Impact Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorisation events of events in a room. This is necessary so that a homeserver receiving some events can validate that those...
GHSA-45CJ-F97F-GGWV Synapse does not apply enough checks to servers requesting auth events of events in a room
Impact Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorisation events of events in a room. This is necessary so that a homeserver receiving some events can validate that those...
PT-2023-23730 · Synapse · Synapse
Name of the Vulnerable Software and Affected Versions: Synapse versions up to and including 1.73 Description: A malicious user on a Synapse homeserver with permission to create certain state events can disable outbound federation from one homeserver to another. This is possible due to the lack of...
PT-2023-13722 · Synapse +2 · Synapse +2
Name of the Vulnerable Software and Affected Versions: Synapse versions prior to 1.68.0 Description: The issue occurs when Synapse and a malicious homeserver are both joined to the same room. The malicious homeserver can trick Synapse into accepting previously rejected events into its view of the...
PT-2023-13719 · Synapse +2 · Synapse +2
Name of the Vulnerable Software and Affected Versions: Synapse versions up to and including 1.68.0 Description: The Matrix Federation API in Synapse allows remote homeservers to request authorization events in a room, which is necessary for validating the legitimacy and permission of events...
Ubuntu: Security Advisory (USN-6076-1)
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...
USN-6076-1 matrix-synapse vulnerabilities
It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. CVE-2019-18835, CVE-2018-12291, CVE-2018-10657 It was...
USN-6076-1: Synapse vulnerabilities
It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. CVE-2019-18835, CVE-2018-12291, CVE-2018-10657 It was...
Ubuntu 18.04 ESM : Synapse vulnerabilities (USN-6076-1)
The remote Ubuntu 18.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6076-1 advisory. It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input...
SUSE CVE-2018-10657
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2^63 - 1 render rooms unusable, related to federation/federationbase.py and handlers/message.py, as exploited in the wild in April 2018...