PT-2018-11098 · Matrix+3 · Matrix Synapse+3

Neilisfragile · Published 2018-06-13 · Updated 2024-06-15 · CVE-2018-12291

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Matrix Synapse versions prior to 0.31.1

Description The issue concerns a security bug in the get missing events federation API, specifically in the on get missing events function, where event visibility rules were not applied correctly.

Recommendations For versions prior to 0.31.1, update to version 0.31.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the on get missing events function in handlers/federation.py until a patch is available.

Fix

Related Identifiers

ALT-PU-2018-1973

CVE-2018-12291

GHSA-V8WM-G9F2-XJV4

OPENSUSE-SU-2018_1767-1

OPENSUSE-SU-2024:11041-1

USN-6076-1

Affected Products

Alt Linux

Matrix Synapse

Suse

Ubuntu

References · 32

• https://github.com/matrix-org/synapse/pull/3371 · Patch
• https://ubuntu.com/security/CVE-2019-18835 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-5885 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-11842 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6076-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-16515 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10657 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-12291 · Security Note
• https://ubuntu.com/security/CVE-2018-12291 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-v8wm-g9f2-xjv4 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-12423 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-12291 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-12291 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-12291 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6076-1 · Vendor Advisory