CVE-2023-32683 URL deny list bypass via oEmbed and image URLs when generating previews in Synapse

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

CVE-2023-32682 Improper checks for deactivated users during login in synapse

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

CVE-2023-32682

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

CVE-2023-32683: Incorrect Authorization

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. A discovered oEmbed or image URL can bypass the urlpreviewurlblacklist setting potentially allowing server side request forgery or bypassing network policies. Impact is limited to IP addresses allowed by the...

CVE-2023-32682: Improper Authentication

Synapse is a Matrix protocol homeserver written in Python with the Twisted framework. In affected versions it may be possible for a deactivated user to login when using uncommon configurations. This only applies if any of the following are true: 1. JSON Web Tokens are enabled for login via the...

GHSA-F3WC-3VXV-XMVR Synapse Outgoing federation to specific hosts can be disabled by sending malicious invites

Impact A malicious user on a Synapse homeserver X with permission to create certain state events can disable outbound federation from X to an arbitrary homeserver Y. Synapse instances with federation disabled are not affected. Details The Matrix protocol allows homeservers to provide an...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack

The Mozilla Foundation Security Advisory describes this flaw as: Thunderbird users who use the Matrix chat protocol were vulnerable to a denial-of-service attack...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to a data corruption issue

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...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack

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...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack by malicious server administrators

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...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack by malicious server administrators

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...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to a data corruption issue

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...

Mozilla: Matrix SDK bundled with Thunderbird vulnerable to an impersonation attack by malicious server administrators

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...