National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-18835 Detail

Current Description

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/matrix-org/synapse/pull/6262 Patch Third Party Advisory
https://github.com/matrix-org/synapse/releases/tag/v1.5.0 Release Notes Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-347 Improper Verification of Cryptographic Signature NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:matrix:synapse:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
1.5.0


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-18835
NVD Published Date:
11/07/2019
NVD Last Modified:
11/12/2019