Fedora: Security Advisory for matrix-synapse (FEDORA-2021-2e8ed15b14)

The remote host is missing an update for the Copyright C 2021 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 -- several vulnerabilities (a67e358c-0bf6-11ec-875e-901b0e9408dc)

Matrix developers report : This release patches two moderate severity issues which could reveal metadata about private rooms : - CVE-2021-39164: Enumerating a private room's list of members and their display names. - CVE-2021-39163: Disclosing a private room's name, avatar, topic, and number of...

Fedora: Security Advisory for matrix-synapse (FEDORA-2021-a627cfd31e)

The remote host is missing an update for the Copyright C 2021 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...

[ASA-202105-19] matrix-synapse: denial of service

Arch Linux Security Advisory ASA-202105-19 ========================================== Severity: Medium Date : 2021-05-25 CVE-ID : CVE-2021-29471 Package : matrix-synapse Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1943 Summary ======= The package matrix-synapse...

Denial of service attack via push rule patterns in matrix-synapse

Impact "Push rules" can specify conditions under which they will match, including eventmatch, which matches event content against a pattern including wildcards. Certain patterns can cause very poor performance in the matching engine, leading to a denial-of-service when processing moderate length...

GHSA-X345-32RC-8H85 Denial of service attack via push rule patterns in matrix-synapse

Impact "Push rules" can specify conditions under which they will match, including eventmatch, which matches event content against a pattern including wildcards. Certain patterns can cause very poor performance in the matching engine, leading to a denial-of-service when processing moderate length...

FreeBSD : py-matrix-synapse -- malicious push rules may be used for a denial of service attack. (278561d7-b261-11eb-b788-901b0e934d69)

Matrix developers report : 'Push rules' can specify conditions under which they will match, including eventmatch, which matches event content against a pattern including wildcards. Certain patterns can cause very poor performance in the matching engine, leading to a denial-of-service when...

Design/Logic Flaw

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...

CVE-2021-29471 Denial of service in Matrix Synapse

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...

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...

CVE-2021-29471: 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 1.33.2 "Push rules" can specify conditions under which they will match, including eventmatch, which matches event...

Open Redirect

matrix-synapse is vulnerable to open redirect. The requests to the user provided domains are allowed to external IP addresses while using transitional IPv6 addresses, affecting outbound requests to federation, identity servers, when calculating the key validity for third-party invite events,...

Denial Of Service (DoS)

matrix-synapse is vulnerable to denial of service. Lack of input validation of some parameters on the endpoints used to confirm third-party identifiers could allows an attacker to cause excessive use of disk space and memory leading to resource exhaustion...

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...

Design/Logic Flaw

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...

PYSEC-2021-27

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 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party...

CVE-2021-21394 Denial of service (via resource exhaustion) due to improper input validation on third-party identifier endpoints

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 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party...

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 was previously present in Synapse version 1.28.0, which stemmed from Synapse's lack of input validation of certain parameters used to validate third-party identifiers on...

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 was previously present in Synapse version 1.28.0, which stemmed from Synapse's lack of input validation of certain parameters used to validate third-party identifiers on...

CVE-2021-21393: Improper Input Validation

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 Synapse is missing input validation of some parameters on the endpoints used to confirm third-party...