CVE-2019-18835

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/8/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

matrix:synapse

Weaknesses (CWE)

CWE-345

References

https://github.com/matrix-org/synapse/pull/6262(cve@mitre.org)

https://github.com/matrix-org/synapse/releases/tag/v1.5.0(cve@mitre.org)

https://github.com/matrix-org/synapse/pull/6262(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/matrix-org/synapse/releases/tag/v1.5.0(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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