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CVE-2022-39236

Published: 28 September 2022

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Starting with version 17.1.0-rc.1, improperly formed beacon events can disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the matrix-js-sdk can appear to be operating normally but be excluding or corrupting runtime data presented to the consumer. This is patched in matrix-js-sdk v19.7.0. Redacting applicable events, waiting for the sync processor to store data, and restarting the client are possible workarounds. Alternatively, redacting the applicable events and clearing all storage will fix the further perceived issues. Downgrading to an unaffected version, noting that such a version may be subject to other vulnerabilities, will additionally resolve the issue.

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
node-matrix-js-sdk
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

jammy Needs triage

kinetic Needs triage

lunar Needs triage

trusty Ignored
(out of standard support)
upstream Needs triage

xenial Ignored
(out of standard support)
thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:102.4.2+build2-0ubuntu0.18.04.1)
focal
Released (1:102.4.2+build2-0ubuntu0.20.04.1)
jammy
Released (1:102.4.2+build2-0ubuntu0.22.04.1)
kinetic
Released (1:102.4.2+build2-0ubuntu0.22.10.1)
lunar Not vulnerable
(1:102.6.0+build1-0ubuntu1)
trusty Does not exist

upstream Needs triage

xenial Needed

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L