CVE-2022-39374 Synapse Denial of service due to incorrect application of event authorization rules during state resolution

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...

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...

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...

SUSE CVE-2021-21274

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, a malicious homeserver could redirect requests to their .well-known file to a large file. This can lead t...

SUSE CVE-2021-21273

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, requests to user provided domains were not restricted to external IP addresses when calculating the key...

CVE-2022-31152 Synapse vulnerable to denial of service (DoS) due to incorrect application of event authorization rules

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix specification specifies a list of event authorization rules which must be checked when determining if an event should be accepted into a room. In versions of Synapse up to and including...

UBUNTU-CVE-2021-29471

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.33.2 "Push rules" can specify conditions under which they will match, including eventmatch, which matches event...

Denial Of Service (DoS)

matrix-synapse is vulnerable to denial of service. The vulnerability exists due to missing input validation of some parameters on the endpoints used to confirm third-party identifiers...

UBUNTU-CVE-2021-21392

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.28.0 requests to user provided domains were not restricted to external IP addresses when transitional IPv6...

Matrix Synapse Cross-Site Scripting Vulnerability (CNVD-2021-24348)

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A cross-site scripting vulnerability exists in Matrix Synapse versions prior to 1.27.0, which can be exploited by attackers to access cookies and other browser data...

DEBIAN-CVE-2021-21332

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

PYSEC-2021-133

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the password reset endpoint served via Synapse was vulnerable to cross-site scripting XSS attacks. The...

DEBIAN-CVE-2021-21274

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, a malicious homeserver could redirect requests to their .well-known file to a large file. This can lead t...

Matrix Synapse 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 a malicious or poorly implemented host server can inject malformed events by specifying different room ids in the pa...

py-matrix-synapse -- multiple vulnerabilities

Matrix developers report: The synapse 1.7.1 release includes several security fixes as well as a fix to a bug exposed by the security fixes. All previous releases of Synapse are affected. Administrators are encouraged to upgrade as soon as possible. Fix a bug which could cause room events to be...

PT-2018-11162

Name of the Vulnerable Software and Affected Versions Synapse versions prior to 0.31.2 Description The issue allows unauthorized users to hijack rooms when there is no m.room.power levels event in force. This can lead to unauthorized access and control over rooms. Recommendations For versions pri...

Synapse Hijacking Vulnerability

Matrix is a set of open communication networks of which Synapse is a server implementation. There is a security vulnerability in Synapse. An attacker can exploit the vulnerability to hijack 'rooms' message channels...