CVE-2022-39250 — Improper Authentication in Matrix-js-sdk
Severity
7.5HIGHNVD
CNA8.6OSV5.5
EPSS
0.3%
top 43.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 29
Latest updateNov 11
Description
Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK) for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver could interfere with the verification flow between two users, injecting its own cross-signing user identity in place of one of the users’ identities. This would lead to the other device trusting/verifying the user identity under the control of the homeserver instead of the intended one. The vulnerability is a bug in the matr…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6
Affected Packages4 packages
Patches
🔴Vulnerability Details
5OSV▶
matrix-js-sdk subject to user impersonation due to key/device identifier confusion in SAS verification↗2022-09-30
GHSA▶
matrix-js-sdk subject to user impersonation due to key/device identifier confusion in SAS verification↗2022-09-30
OSV▶
CVE-2022-39250: Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK) for JavaScript↗2022-09-29
CVEList
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📋Vendor Advisories
4Red Hat
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Debian▶
CVE-2022-39250: node-matrix-js-sdk - Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK)...↗2022