Vulnerability Description
Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Matrix | Synapse | < 1.120.1 |
Related Weaknesses (CWE)
References
- https://github.com/element-hq/synapse/security/advisories/GHSA-rfq8-j7rh-8hf2Vendor Advisory
- https://github.com/twisted/twisted/issues/4688#issuecomment-1167705518Issue Tracking
- https://github.com/twisted/twisted/issues/4688#issuecomment-2385711609Issue Tracking
FAQ
What is CVE-2024-52805?
CVE-2024-52805 is a vulnerability with a CVSS score of 7.5 (HIGH). Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while ...
How severe is CVE-2024-52805?
CVE-2024-52805 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-52805?
Check the references section above for vendor advisories and patch information. Affected products include: Matrix Synapse.