Improper Verification of Cryptographic Signature Affecting github.com/matrix-org/dendrite/roomserver/internal/input package, versions <0.9.8


0.0
high

Snyk CVSS

    Attack Complexity Low
Expand this section
NVD
5.3 medium

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  • Snyk ID SNYK-GOLANG-GITHUBCOMMATRIXORGDENDRITEROOMSERVERINTERNALINPUT-3021518
  • published 13 Sep 2022
  • disclosed 13 Sep 2022
  • credit Tulir Asokan

How to fix?

Upgrade github.com/matrix-org/dendrite/roomserver/internal/input to version 0.9.8 or higher.

Overview

github.com/matrix-org/dendrite/roomserver/internal/input is a second-generation Matrix homeserver written in Go.

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature of events retrieved from a remote homeserver using /get_missing_events endpoint.

Note: This vulnerability does not apply to events retrieved through other endpoints (e.g. /event, /state) as they have been correctly verified.

References