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 Synapse Outgoing federation to specific hosts can be disabled by sending malicious invites

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

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

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-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...

CVE-2022-39374

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...

CVE-2022-39335

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...

Matrix Synapse 输入验证错误漏洞

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A security vulnerability exists in Matrix Synapse that originates from the fact that a malicious user on Synapse master server X who is authorized to create certain state events can disable outbound...

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...

Matrix Synapse 信息泄露漏洞

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A security vulnerability exists in Matrix Synapse that stems from the Synapse master server answering authorization event queries not adequately checking whether the requesting server should be able ...

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: 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...

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 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-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 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-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...

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...