Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-0122 ### Impact Missing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. ### Patches Fixed by 3175fd3. ### Workarounds There are no known workarounds. ### References n/a ### For more information If you have any questions or comments about this advisory, email us at security@matrix.org.
Github GHSA Github GHSA GHSA-pw4v-gr34-2553 Sydent DoS (via resource exhaustion) due to improper input validation
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2024-08-03T22:02:51.915Z

Reserved: 2021-03-30T00:00:00

Link: CVE-2021-29433

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-04-15T18:15:12.497

Modified: 2024-11-21T06:01:05.267

Link: CVE-2021-29433

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.