CVE-2022-39251

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. An attacker could spoof historical messages from other users, and use a malicious key backup to the user's account unde...

CVE-2022-39250

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. A malicious server administrator could interfere with cross-device verification to authenticate their own device...

CVE-2022-39249

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to an impersonation attack. A malicious server administrator could fake encrypted messages to look as if they were sent from another user on that...

CVE-2022-39236

A flaw was found in Mozilla. According to the Mozilla Foundation Security Advisory, Thunderbird users who use the Matrix chat protocol are vulnerable to a data corruption issue. An attacker could potentially cause data integrity issues by sending specially crafted messages...

Fedora: Security Advisory for nheko (FEDORA-2022-1fd94a54a1)

The remote host is missing an update for the Copyright C 2022 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...

USN-5663-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, spoof the mouse pointer position, obtain sensitive information, spoof the...

USN-5663-1 thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, spoof the mouse pointer position, obtain sensitive information, spoof the...

[SECURITY] Fedora 36 Update: nheko-0.10.2-1.fc36

The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app...

ROS-20221007-04

Vulnerabilities in Firefox, Firefox ESR web browsers and Thunderbird email client are related to errors in the in the presentation of information by the user interface. Exploitation of the vulnerability could allow An attacker acting remotely could disclose protected information Vulnerability in...

Authentication Bypass

Matrix Android SDK 2 is vulnerable to authentication bypass. The vulnerability exists in onRoomKeyEvent function of DefaultCryptoService.kt due to lack of entity authentication for key forwarding strategy which allows an attacker to cooperate with a malicious home server...

[SECURITY] Fedora 37 Update: nheko-0.10.2-1.fc37

The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app...

When matrix-nio receives forwarded room keys, the receiver doesn't check if it requested the key from the forwarder

When matrix-nio before 0.20 requests a room key from our devices, it correctly accepts key forwards only if they are a response to a previous request. However, it doesn't check that the device that responded matches the device the key was requested from. This allows a malicious homeserver to inse...

GHSA-W4PR-4VJG-HFFH When matrix-nio receives forwarded room keys, the receiver doesn't check if it requested the key from the forwarder

When matrix-nio before 0.20 requests a room key from our devices, it correctly accepts key forwards only if they are a response to a previous request. However, it doesn't check that the device that responded matches the device the key was requested from. This allows a malicious homeserver to inse...

matrix-sdk-crypto contains potential impersonation via room key forward responses

Impact When matrix-rust-sdk before 0.6 requests a room key from our devices, it correctly accepts key forwards only if they are a response to a previous request. However, it doesn't check that the device that responded matches the device the key was requested from. This allows a malicious...

alerter (>=0.3.0, <=0.3.1), maruc (0.1.0) +9 more potentially affected by CVE-2022-39252 via matrix-sdk-crypto (>=0.1.0, <=0.5.0)

matrix-sdk-crypto CARGO version =0.1.0, =0.3.0, =0.1.0, =0.1.0, =0.2.0, =0.1.0, =0.1.10-alpha, =0.13.0, =0.13.1 Source cves: CVE-2022-39252 Source advisory: OSV:GHSA-VP68-2WRM-69QM...

GHSA-VP68-2WRM-69QM matrix-sdk-crypto contains potential impersonation via room key forward responses

Impact When matrix-rust-sdk before 0.6 requests a room key from our devices, it correctly accepts key forwards only if they are a response to a previous request. However, it doesn't check that the device that responded matches the device the key was requested from. This allows a malicious...

matrix-react-sdk (>=3.48.0-rc.1, <=3.55.0) potentially affected by CVE-2022-39250 via matrix-js-sdk (>=19.0.0, <=19.6.0-rc.1)

matrix-js-sdk NPM version =19.0.0, =3.48.0-rc.1, =3.55.0 Source cves: CVE-2022-39250 Source advisory: OSV:GHSA-5W8R-8PGJ-5JMF...

Authentication Bypass

matrix-js-sdk is vulnerable to authentication bypass. A malicious server admin is able to break emoji-based verification when cross-signing is in use, authenticating themselves instead of the target user being verified. The vulnerability is possible because the library confuses device IDs and...

Drawing a star with DOMMatrix

I recently recorded an episode of HTTP 203 on DOMPoint and DOMMatrix. If you'd rather watch the video version, here it is, but come back here for some bonus details on a silly mistake I made, which I almost got away with. DOMMatrix lets you apply transformations to DOMPoints. I find these APIs...

Drawing a star with DOMMatrix

I recently recorded an episode of HTTP 203 on DOMPoint and DOMMatrix. If you'd rather watch the video version, here it is, but come back here for some bonus details on a silly mistake I made, which I almost got away with. DOMMatrix lets you apply transformations to DOMPoints. I find these APIs...