Synapse Denial of service due to incorrect application of event authorization rules during state resolution
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| matrix-org | synapse | affected |
|
No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-0138 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0 |
Github GHSA |
GHSA-p9qp-c452-f9r7 | Synapse Denial of service due to incorrect application of event authorization rules during state resolution |
Ubuntu USN |
USN-7444-1 | Synapse vulnerabilities |
No CVSS v4.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.941% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0 | Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. If Synapse and a malicious homeserver are both joined to the same room, the malicious homeserver can trick Synapse into accepting previously rejected events into its view of the current state of that room. This can be exploited in a way that causes all further messages and state changes sent in that room from the vulnerable homeserver to be rejected. This issue has been patched in version 1.68.0 |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|