What is GHSA-v8wm-g9f2-xjv4?

GHSA-v8wm-g9f2-xjv4 is a security advisory published by GitHub Security Advisories with High severity. Matrix Synapse Security Filtering Flaw

Which CVE IDs does GHSA-v8wm-g9f2-xjv4 cover?

GHSA-v8wm-g9f2-xjv4 covers the following CVE IDs: CVE-2018-12291. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v8wm-g9f2-xjv4?

GHSA-v8wm-g9f2-xjv4 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

Which products are affected by GHSA-v8wm-g9f2-xjv4?

GHSA-v8wm-g9f2-xjv4 affects 1 product, including: pip/matrix-synapse:\u003c 0.31.1.

GHSA-v8wm-g9f2-xjv4HighCVSS 7.5

Matrix Synapse Security Filtering Flaw

Vendor

GitHub Security Advisories

Published

May 13, 2022

Last Modified

October 6, 2023

🔗 CVE IDs covered (1)

CVE-2018-12291 →

📋 Description

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.

🎯 Affected products1

pip/matrix-synapse:< 0.31.1

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2018-12291
https://github.com/matrix-org/synapse/pull/3371
https://github.com/matrix-org/synapse/releases/tag/v0.31.1
https://github.com/matrix-org/synapse/commit/0834b49c6a9b6c597a154d4b2dfcf8fff90699ec
https://github.com/advisories/GHSA-v8wm-g9f2-xjv4