CVSS: 4.1EPSS: 0%CPEs: 1EXPL: 0CVE-2024-42369 – A room with itself as a its predecessor will freeze matrix-js-sdk
https://notcve.org/view.php?id=CVE-2024-42369
matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predecessors form a cycle. The matrix-js-sdk's getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the 'leaveRoomChain()' method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1. • https://github.com/matrix-org/matrix-js-sdk/commit/a0efed8b881b3db6c9f2c71d6a6e74c2828978c6 https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-vhr5-g3pm-49fm • CWE-674: Uncontrolled Recursion •
CVSS: 7.7EPSS: 0%CPEs: 1EXPL: 0CVE-2024-42347 – URL preview setting for a room is controllable by the homeserver in matrix-react-sdk
https://notcve.org/view.php?id=CVE-2024-42347
matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the server. This was patched in matrix-react-sdk 3.105.0. Deployments that trust their homeservers, as well as closed federations of trusted servers, are not affected. Users are advised to upgrade. • https://github.com/matrix-org/matrix-react-sdk/releases/tag/v3.105.1 https://github.com/matrix-org/matrix-react-sdk/security/advisories/GHSA-f83w-wqhc-cfp4 • CWE-359: Exposure of Private Personal Information to an Unauthorized Actor •
CVSS: 5.4EPSS: 0%CPEs: 1EXPL: 0CVE-2024-40648 – `UserIdentity::is_verified` not checking verification status of own user identity while performing the check in matrix-rust-sdk
https://notcve.org/view.php?id=CVE-2024-40648
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust. The `UserIdentity::is_verified()` method in the matrix-sdk-crypto crate before version 0.7.2 doesn't take into account the verification status of the user's own identity while performing the check and may as a result return a value contrary to what is implied by its name and documentation. If the method is used to decide whether to perform sensitive operations towards a user identity, a malicious homeserver could manipulate the outcome in order to make the identity appear trusted. This is not a typical usage of the method, which lowers the impact. The method itself is not used inside the `matrix-sdk-crypto` crate. • https://github.com/matrix-org/matrix-rust-sdk/commit/76a7052149bb8f722df12da915b3a06d19a6695a https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-4qg4-cvh2-crgg • CWE-287: Improper Authentication •
CVSS: 2.9EPSS: 0%CPEs: 1EXPL: 0CVE-2024-40640 – Usage of non-constant time base64 decoder could lead to leakage of secret key material in vodozemac
https://notcve.org/view.php?id=CVE-2024-40640
vodozemac is an open source implementation of Olm and Megolm in pure Rust. Versions before 0.7.0 of vodozemac use a non-constant time base64 implementation for importing key material for Megolm group sessions and `PkDecryption` Ed25519 secret keys. This flaw might allow an attacker to infer some information about the secret key material through a side-channel attack. The use of a non-constant time base64 implementation might allow an attacker to observe timing variations in the encoding and decoding operations of the secret key material. This could potentially provide insights into the underlying secret key material. • https://arxiv.org/abs/2108.04600 https://github.com/matrix-org/vodozemac/commit/734b6c6948d4b2bdee3dd8b4efa591d93a61d272 https://github.com/matrix-org/vodozemac/security/advisories/GHSA-j8cm-g7r6-hfpq • CWE-208: Observable Timing Discrepancy •
CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0CVE-2024-39691 – Malicious Matrix homeserver can leak truncated message content of messages it shouldn't have access to
https://notcve.org/view.php?id=CVE-2024-39691
matrix-appservice-irc is a Node.js IRC bridge for the Matrix messaging protocol. The fix for GHSA-wm4w-7h2q-3pf7 / CVE-2024-32000 included in matrix-appservice-irc 2.0.0 relied on the Matrix homeserver-provided timestamp to determine whether a user has access to the event they're replying to when determining whether or not to include a truncated version of the original event in the IRC message. Since this value is controlled by external entities, a malicious Matrix homeserver joined to a room in which a matrix-appservice-irc bridge instance (before version 2.0.1) is present can fabricate the timestamp with the intent of tricking the bridge into leaking room messages the homeserver should not have access to. matrix-appservice-irc 2.0.1 drops the reliance on `origin_server_ts` when determining whether or not an event should be visible to a user, instead tracking the event timestamps internally. As a workaround, it's possible to limit the amount of information leaked by setting a reply template that doesn't contain the original message. Matrix-appservice-irc es un puente IRC de Node.js para el protocolo de mensajería Matrix. • https://github.com/matrix-org/matrix-appservice-irc/blob/d5d67d1d3ea3f0f6962a0af2cc57b56af3ad2129/config.sample.yaml#L601-L604 https://github.com/matrix-org/matrix-appservice-irc/commit/1835e047f269001054be4c68867797aa12372a0f https://github.com/matrix-org/matrix-appservice-irc/pull/1804 https://github.com/matrix-org/matrix-appservice-irc/security/advisories/GHSA-w9mh-5x8j-9754 • CWE-280: Improper Handling of Insufficient Permissions or Privileges CWE-755: Improper Handling of Exceptional Conditions •