Input validation error in Matrix Javascript SDK - CVE-2024-50336

Vulnerability identifier: #VU101796

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-50336

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper input validation when handling MXC URIs. A malicious room member can trigger clients based on the matrix-js-sdk to issue arbitrary authenticated GET requests to the client's homeserver.

Matrix Javascript SDK
Gentoo Linux
Debian Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Micro
Slackware Linux
SUSE Package Hub 15
openSUSE Leap
Ubuntu
openEuler
Mozilla Thunderbird
mozilla-thunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird-debugsource
thunderbird (Debian package)
mail-client/thunderbird
mail-client/thunderbird-bin
thunderbird
thunderbird-debuginfo
thunderbird-debugsource
thunderbird-librnp-rnp
thunderbird-wayland
thunderbird (Ubuntu package)

Install update from vendor's website.

Matrix Javascript SDK - update to 34.11.1
Mozilla Thunderbird - addressed in versions 128.5.2, 134.0
mozilla-thunderbird - update to 128.5.2esr
MozillaThunderbird-debuginfo - update to 128.5.2-150200.8.194.1
MozillaThunderbird - update to 128.5.2-150200.8.194.1
MozillaThunderbird-translations-common - update to 128.5.2-150200.8.194.1
MozillaThunderbird-translations-other - update to 128.5.2-150200.8.194.1
MozillaThunderbird-debugsource - update to 128.5.2-150200.8.194.1
thunderbird (Debian package) - update to 1:128.6.0esr-1~deb12u1
mail-client/thunderbird - update to 128.9.0
mail-client/thunderbird-bin - update to 128.9.0
thunderbird - update to 128.11.1-1
thunderbird-debuginfo - update to 128.11.1-1
thunderbird-debugsource - update to 128.11.1-1
thunderbird-librnp-rnp - update to 128.11.1-1
thunderbird-wayland - update to 128.11.1-1
thunderbird (Ubuntu package) - update to 1:140.7.1+build1-0ubuntu0.22.04.1

• https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr
• https://spec.matrix.org/v1.12/client-server-api/#security-considerations-5
• https://github.com/advisories/GHSA-xvg8-m4x3-w6xr
• https://github.com/matrix-org/matrix-js-sdk/releases/tag/v34.11.1

• Insufficient MXC URI validation in Matrix Javascript SDK
• Mozilla Thunderbird update for matrix-js-sdk
• Slackware Linux update for mozilla-thunderbird
• SUSE update for MozillaThunderbird
• Multiple vulnerabilities in Mozilla Thunderbird
• Debian update for thunderbird
• Gentoo update for Mozilla Thunderbird
• openEuler 24.03 LTS SP2 update for thunderbird
• Ubuntu update for thunderbird