CVE-2024-50336

Description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. matrix-js-sdk before 34.11.0 is vulnerable to client-side path traversal via crafted 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. Fixed in matrix-js-sdk 34.11.1.

How to fix CVE-2024-50336

To remediate CVE-2024-50336, upgrade the affected package to a fixed version below.

• Debian/node-matrix-js-sdk—no fix listed
• Debian/thunderbird—upgrade to 1:128.6.0esr-1~deb11u1 or later
• —upgrade to 1:128.6.0esr-1~deb11u1 or later
• —upgrade to 1:128.6.0esr-1~deb12u1 or later
• —upgrade to 34.11.1 or later

Is CVE-2024-50336 being exploited?

Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

• from 0
• from 0, < 1:128.6.0esr-1~deb11u1
• from 0, < 1:128.6.0esr-1~deb11u1
• from 0, < 1:128.6.0esr-1~deb12u1
• from 0, < 34.11.1

CVSS scores

References (6)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2024-50336
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2024-50336
• PATCHgithub.com/matrix-org/matrix-js-sdk
• WEBgithub.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-xvg8-m4x3-w6xr