Buffer overflow

The olmsessiondescribe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted...

CVE-2021-44538

The olmsessiondescribe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted...

UBUNTU-CVE-2021-44538

The olmsessiondescribe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted...

CVE-2021-44538

CVE-2021-44538: The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object state is partially controllable by the remote party; crafted messages can manipulate the receiver’s session so that, for some buffer sizes, a buffer overflow ...

CVE-2021-44538

The olmsessiondescribe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted...

Matrix libolm 缓冲区错误漏洞

Matrix libolm is a cryptographic library. A security vulnerability in the olmsessiondescribe function in Matrix libolm before 3.2.7 allows an attacker to construct a carefully crafted sequence of messages to manipulate the state of the recipient's session, and for certain buffer sizes, a buffer...

VMware Response to Apache Log4j Remote Code Execution Vulnerabilities (CVE-2021-44228, CVE-2021-45046)

1. Impacted Products Under Evaluation VMware Horizon VMware vCenter Server VMware HCX VMware NSX-T Data Center VMware Unified Access Gateway VMware WorkspaceOne Access VMware Identity Manager VMware vRealize Operations VMware vRealize Operations Cloud Proxy VMware vRealize Automation VMware...

[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...

Fedora: Security Advisory for matrix-synapse (FEDORA-2021-9758549fce)

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...

Fedora: Security Advisory for matrix-synapse (FEDORA-2021-2f9dcdbace)

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...

[SECURITY] Fedora 34 Update: dmtx-utils-0.7.6-9.fc34.1

libdmtx is open source software for reading and writing Data Matrix 2D bar-codes on Linux, Unix, OS X, Windows, and mobile devices. At its core libdmtx is a shared library, allowing C/C++ programs to use its capabilities without restrictions or overhead. The included utility programs, dmtxread an...

Fedora: Security Advisory for dmtx-utils (FEDORA-2021-b58af96f33)

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...

Matrix clients -- several vulnerabilities

Matrix developers report: Today we are releasing security updates to libolm, matrix-js-sdk, and several clients including Element Web / Desktop. Users are encouraged to upgrade as soon as possible. These releases mitigate a buffer overflow in olmsessiondescribe, a libolm debugging function used b...

The Matrix Is the Best Hacker Movie

Most people point to Sneakers or WarGames. They’re all wrong. The Wachowskis actually invented the ultimate cyber superhero...

Path Traversal

matrix-synapse is vulnerable to path traversal. An attacker can download files from a remote server into an arbitrary directory when a media repository is enabled, potentially outside of the configured directory...

Path traversal in Matrix Synapse

Impact Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory, potentially outside the media store directory. The last two directories and file name of the path are chosen randomly by Synapse and cannot be...

GHSA-3HFW-X7GX-437C Path traversal in Matrix Synapse

Impact Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory, potentially outside the media store directory. The last two directories and file name of the path are chosen randomly by Synapse and cannot be...

CVE-2021-41281

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...

CVE-2021-41281 Path traversal in Matrix Synapse

Synapse is a package for Matrix homeservers written in Python 3/Twisted. Prior to version 1.47.1, Synapse instances with the media repository enabled can be tricked into downloading a file from a remote server into an arbitrary directory. No authentication is required for the affected endpoint. T...