CVE-2022-39200 Signature checks not applied to some retrieved missing events

Dendrite is a Matrix homeserver written in Go. In affected versions events retrieved from a remote homeserver using the /getmissingevents path did not have their signatures verified correctly. This could potentially allow a remote homeserver to provide invalid/modified events to Dendrite via this...

CVE-2022-39200

Dendrite (Matrix homeserver, Go) had a vulnerability where events fetched from a remote server via /get_missing_events were not verified for signatures. This could allow a remote homeserver to provide invalid/modified events to Dendrite through that endpoint. Other endpoints such as /event or /st...

CVE-2022-39200

Dendrite is a Matrix homeserver written in Go. In affected versions events retrieved from a remote homeserver using the /getmissingevents path did not have their signatures verified correctly. This could potentially allow a remote homeserver to provide invalid/modified events to Dendrite via this...

FreeBSD : dendrite -- Signature checks not applied to some retrieved missing events (4ebaa983-3299-11ed-95f8-901b0e9408dc)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 4ebaa983-3299-11ed-95f8-901b0e9408dc advisory. - Dendrite team reports: Events retrieved from a remote homeserver using /getmissingevents did not have...

CVE-2022-31152

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...

Authorization

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...

CVE-2022-31152

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...

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...

CVE-2022-31152

CVE-2022-31152 affects the Synapse Matrix homeserver. Up to version 1.61.0, some event authorization rules are not correctly applied, allowing crafted events to be accepted by Synapse but not by a spec-conformant server. This can cause divergence in room state between federation-enabled servers. ...

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...

[SECURITY] Fedora 35 Update: matrix-synapse-1.61.1-1.fc35

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...

CVE-2022-31052

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

DEBIAN-CVE-2022-31052

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

Design/Logic Flaw

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

CVE-2022-31052 URL previews can crash Synapse media repositories or Synapse monoliths

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

CVE-2022-31052 URL previews can crash Synapse media repositories or Synapse monoliths

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

CVE-2022-31052

Synapse is an open source home server implementation for the Matrix chat network. In versions prior to 1.61.1 URL previews of some web pages can exhaust the available stack space for the Synapse process due to unbounded recursion. This is sometimes recoverable and leads to an error for the reques...

[SECURITY] Fedora 34 Update: matrix-synapse-1.48.0-1.fc34

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 35 Update: matrix-synapse-1.48.0-1.fc35

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 35 Update: matrix-synapse-1.41.1-1.fc35

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...