Information Exposure Affecting synapse package, versions <1.69.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.08% (37th percentile)

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  • Snyk IDSNYK-ALPINE321-SYNAPSE-8489447
  • published6 Dec 2024
  • disclosed26 May 2023

Introduced: 26 May 2023

CVE-2022-39335  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 synapse to version 1.69.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream synapse package and not the synapse package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorization events in a room. This is necessary so that a homeserver receiving some events can validate that those events are legitimate and permitted in their room. However, in versions of Synapse up to and including 1.68.0, a Synapse homeserver answering a query for authorization events does not sufficiently check that the requesting server should be able to access them. The issue was patched in Synapse 1.69.0. Homeserver administrators are advised to upgrade.

CVSS Scores

version 3.1