CVE-2025-61672
CVE-2025-61672 · Synapse: Invalid device keys degrade federation functionality
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Synapse is an open source Matrix homeserver implementation. Lack of validation for device keys in Synapse before 1.138.3 and in Synapse 1.139.0 allow an attacker registered on the victim homeserver to degrade federation functionality, unpredictably breaking outbound federation to other homeservers. The issue is patched in Synapse 1.138.3, 1.138.4, 1.139.1, and 1.139.2. Note that even though 1.138.3 and 1.139.1 fix the vulnerability, they inadvertently introduced an unrelated regression. For this reason, the maintainers of Synapse recommend skipping these releases and upgrading straight to 1.138.4 and 1.139.2.
CVSS 5.3 · Mittel · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: system · python
Betroffene Produkte und Versionen
synapse
- Softwareversionen
- < 1.138.3: Betroffen
- = 1.139.0: Betroffen
Keine Korrektur veröffentlicht
matrix-synapse PyPI
- Softwareversionen
- 0.33.5
- 0.33.5.1
- 0.33.6
- 0.33.6rc1
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- 1.7.0
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- 1.7.1
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- 1.70.0
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- 1.70.1
- 1.71.0
- 1.71.0rc1
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- 1.72.0
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- 1.84.1
- 1.85.0
Auf 1.138.3 aktualisieren
matrix-synapse PyPI
- Softwareversionen
- 1.139.0
- 1.139.0rc2
- 1.139.0rc3
- Betroffene Versionsbereiche
- ECOSYSTEM: ≥ 1.139.0rc2, < 1.139.1
Auf 1.139.1 aktualisieren
matrix-synapse PyPI
- Softwareversionen
- 0.33.5
- 0.33.5.1
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- 0.33.6rc1
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- 1.129.0
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- 1.13.0
- 1.13.0rc1
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- 1.130.0
- 1.130.0rc1
- 1.131.0
- 1.131.0rc1
- 1.132.0
- 1.132.0rc1
- 1.133.0
- 1.133.0rc1
- 1.134.0
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- 1.135.0
- 1.135.0rc1
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- 1.135.2
- 1.136.0
- 1.136.0rc1
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- 1.137.0
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- 1.138.0
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- 1.69.0rc4
- 1.7.0
- 1.7.0rc1
- 1.7.0rc2
- 1.7.1
- 1.7.2
- 1.7.3
- 1.70.0
- 1.70.0rc1
- 1.70.0rc2
- 1.70.1
- 1.71.0
- 1.71.0rc1
- 1.71.0rc2
- 1.72.0
- 1.72.0rc1
- 1.73.0
- 1.73.0rc2
- 1.74.0
- 1.74.0rc1
- 1.75.0
- 1.75.0rc1
- 1.75.0rc2
- 1.76.0
- 1.76.0rc1
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- 1.77.0
- 1.77.0rc1
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- 1.78.0
- 1.78.0rc1
- 1.79.0
- 1.79.0rc1
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- 1.8.0
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- 1.82.0
- 1.82.0rc1
- 1.83.0
- 1.83.0rc1
- 1.9.0
Auf 1.138.3 aktualisieren; Auf 1.139.1 aktualisieren
matrix-synapse Ubuntu:Pro:18.04:LTS
- Softwareversionen
- 0.19.2+dfsg-6
- 0.24.0+dfsg-1
- 0.24.0+dfsg-1ubuntu0.1~esm1
- 0.24.0+dfsg-1ubuntu0.1~esm4
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
matrix-synapse Ubuntu:Pro:20.04:LTS
- Softwareversionen
- 1.3.0-1
- 1.4.0-1
- 1.5.0-1
- 1.5.1-1
- 1.6.0-1
- 1.6.1-1
- 1.7.0-2
- 1.7.1-1
- 1.7.2-1
- 1.7.3-1
- 1.8.0-1
- 1.9.0-1
- 1.9.1-1
- 1.10.0-1
- 1.10.0-2
- 1.11.0-1
- 1.11.0-1ubuntu0.1~esm2
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
matrix-synapse Ubuntu:Pro:22.04:LTS
- Softwareversionen
- 1.39.0-1
- 1.47.0-2
- 1.47.1-1
- 1.48.0-1
- 1.49.0-1
- 1.49.2-1
- 1.50.1-1
- 1.50.2-1
- 1.51.0-1
- 1.52.0-1
- 1.53.0-1
- 1.53.0-1ubuntu0.1~esm2
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
matrix-synapse Ubuntu:24.04:LTS
- Softwareversionen
- 1.90.0-1
- 1.100.0-1ubuntu1
- Betroffene Versionsbereiche
- ECOSYSTEM: (−∞, +∞)
Keine Korrektur veröffentlicht
Originalquellen
- https://github.com/element-hq/synapse/security/advisories/GHSA-fh66-fcv5-jjfr
- https://github.com/element-hq/synapse/pull/17097
- https://github.com/element-hq/synapse/commit/26aaaf9e48fff80cf67a20c691c75d670034b3c1
- https://github.com/element-hq/synapse/commit/7069636c2d6d1ef2022287addf3ed8b919ef2740
- https://github.com/element-hq/synapse/releases/tag/v1.138.3
- https://github.com/element-hq/synapse/releases/tag/v1.139.1
- https://nvd.nist.gov/vuln/detail/CVE-2025-61672