What is GHSA-ch5v-fhg8-7gv9?

GHSA-ch5v-fhg8-7gv9 is a security advisory published by GitHub Security Advisories with High severity. Matrix Synapse Authorization Error

Which CVE IDs does GHSA-ch5v-fhg8-7gv9 cover?

GHSA-ch5v-fhg8-7gv9 covers the following CVE IDs: CVE-2018-12423. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-ch5v-fhg8-7gv9?

GHSA-ch5v-fhg8-7gv9 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-ch5v-fhg8-7gv9?

GHSA-ch5v-fhg8-7gv9 affects 1 product, including: pip/matrix-synapse:\u003c 0.31.2.

GHSA-ch5v-fhg8-7gv9HighCVSS 7.5

Matrix Synapse Authorization Error

Vendor

GitHub Security Advisories

Published

May 13, 2022

Last Modified

October 6, 2023

🔗 CVE IDs covered (1)

CVE-2018-12423 →

📋 Description

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

🎯 Affected products1

pip/matrix-synapse:< 0.31.2

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2018-12423
https://github.com/matrix-org/matrix-doc/issues/1304
https://bugs.debian.org/901549
https://matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/
https://github.com/advisories/GHSA-ch5v-fhg8-7gv9