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...

raiden (>=0.100.2rc4, <=0.100.3rc1) potentially affected by CVE-2021-21273 via matrix-synapse (0.33.9)

matrix-synapse PYPI version 0.33.9 is affected by a known vulnerability. The following packages have a transitive dependency on matrix-synapse and may be impacted: - raiden =0.100.2rc4, =0.100.3rc1 Source cves: CVE-2021-21273 Source advisory: OSV:GHSA-V936-J8GP-9Q3P...

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...

raiden (>=0.100.2rc4, <=0.100.3rc1) potentially affected by CVE-2021-21273 via matrix-synapse (0.33.9)

matrix-synapse PYPI version 0.33.9 is affected by a known vulnerability. The following packages have a transitive dependency on matrix-synapse and may be impacted: - raiden =0.100.2rc4, =0.100.3rc1 Source cves: CVE-2021-21273 Source advisory: MEND:CVE-2021-21273...

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 Resource Management Vulnerability

Matrix Synapse is a Matrix Management Server implementation from the Matrix Foundation in the UK. A denial of service vulnerability exists in Synapse versions prior to 1.25.0, which stems from a malicious homeserver that redirects requests to a large file, which could lead to a denial of service...

Matrix Synapse Input Validation Error Vulnerability

Matrix Synapse is an implementation of a matrix management server from the Matrix Foundation in the UK. A security vulnerability exists in Synapse that stems from a request to a user-provided domain being unrestricted by an external IP address when calculating key validity for third-party...

CVE-2021-21274: Uncontrolled Resource Consumption

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...

CVE-2021-21273: URL Redirection to Untrusted Site

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...

Fedora 33 : matrix-synapse (2020-eeb66c2ece)

Upstream release notes: https://github.com/matrix-org/synapse/blob/master/CHANGES.mdsynapse-1 240rc1-2020-12-02 This release includes some minor changes which may affect homeserver admins: https://github.com/matrix-org/synapse/blob/develop/UPGRADE.rstupgradi ng-to-v1240 Note that Tenable Network...

Fedora 32 : matrix-synapse (2020-a2172c484d)

Upstream release notes: https://github.com/matrix-org/synapse/blob/master/CHANGES.mdsynapse-1 240rc1-2020-12-02 This release includes some minor changes which may affect homeserver admins: https://github.com/matrix-org/synapse/blob/develop/UPGRADE.rstupgradi ng-to-v1240 Note that Tenable Network...

Fedora: Security Advisory for matrix-synapse (FEDORA-2020-a2172c484d)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Fedora: Security Advisory for matrix-synapse (FEDORA-2020-eeb66c2ece)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

FreeBSD : py-matrix-synapse -- DoS on Federation API (cfa0be42-3cd7-11eb-9de7-641c67a117d8)

Matrix developers reports : A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invite or /exchangethirdpartyinvite request. This can lead to a denial of service in which future events will...

Matrix Synapse License Issue Vulnerability

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...

Fedora 32 : matrix-synapse / python-authlib / python-canonicaljson / etc (2020-b90dac7fc4)

Update matrix-synapse to 1.23.0 to resolve CVE-2020-26890. There may be breaking changes, please review prior to upgrade : https://github.com/matrix-org/synapse/blob/develop/UPGRADE.rst Note that Tenable Network Security has extracted the preceding description block directly from the Fedora updat...

Fedora 33 : matrix-synapse / python-canonicaljson (2020-2578d943d2)

Update matrix-synapse to 1.23.0 to resolve CVE-2020-26890. There may be breaking changes, please review prior to upgrade : https://github.com/matrix-org/synapse/blob/develop/UPGRADE.rst Note that Tenable Network Security has extracted the preceding description block directly from the Fedora updat...

Fedora: Security Advisory for matrix-synapse (FEDORA-2020-2578d943d2)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Fedora: Security Advisory for matrix-synapse (FEDORA-2020-b90dac7fc4)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

DEBIAN-CVE-2020-26257

Matrix is an ecosystem for open federated Instant Messaging and VoIP. Synapse is a reference "homeserver" implementation of Matrix. A malicious or poorly-implemented homeserver can inject malformed events into a room by specifying a different room id in the path of a /sendjoin, /sendleave, /invit...