PYSEC-2021-135

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...

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...

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

The CVE-2021-29471 issue affects the Matrix Synapse Python package (matrix-synapse) prior to version 1.33.2. It concerns Push rules with event_match patterns that can cause very poor performance in the rule-matching engine, potentially enabling a denial-of-service when processing moderate-length ...

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

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...

py-matrix-synapse -- malicious push rules may be used for a denial of service attack.

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 processi...

Center for Threat-Informed Defense teams up with Microsoft, partners to build the ATT&CK® for Containers matrix

The MITRE ATT&CK® for Containers matrix was published today, establishing an industry knowledge base of attack techniques associated with containerization and related technologies that are increasingly more ubiquitous in the current computing landscape. Microsoft is happy to have contributed and...

CVE-2021-29453

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

CVE-2021-29453

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

Design/Logic Flaw

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

CVE-2021-29453

CVE-2021-29453 – matrix-media-repo : Vulnerable in versions 1.2.6 and earlier. A crafted, small-file-size image that expands to extremely large dimensions during thumbnailing can exhaust memory, causing DoS. This is triggered during the thumbnailing process when loading the image into memory. A f...

CVE-2021-29453 Denial of service through memory exhaustion

matrix-media-repo is an open-source multi-domain media repository for Matrix. Versions 1.2.6 and earlier of matrix-media-repo do not properly handle malicious images which are crafted to be small in file size, but large in complexity. A malicious user could upload a relatively small image in term...

Travis Ralston matrix-media-repo 资源管理错误漏洞

Travis Ralston matrix-media-repo is a Travis Ralston open source application. A highly customizable multi-domain media repository for Matrix. A security vulnerability exists in matrix-media-repo that stems from an inability to properly process malicious images that are made to be small in file si...

SUSE: Security Advisory (SUSE-SU-2020:2861-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG 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-only ifdescription...

CVE-2021-29430

Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP request with a very large body, leading to memory exhaustion and denial of service. Sydent also does not limit response size for requests it...

CVE-2021-29432

Sydent (Matrix identity server) has a vulnerability where a malicious user could abuse Sydent to send arbitrary emails from the Sydent address, enabling plausible phishing emails. Root cause details are not deeply disclosed in the provided documents, but the issue has been fixed in commit 4469d1d...

CVE-2021-29430

Removed by vendor...

CVE-2021-29433

Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability i...

CVE-2021-29433

CVE-2021-29433 affects Sydent (Matrix identity server) for versions 2.2.0 and earlier, where insufficient input validation on endpoints used to confirm third-party identifiers could cause excessive disk space and memory use, leading to resource exhaustion. A fix is available in version 2.3.0; no ...