CVE-2021-29433

Summary

CVECVE-2021-29433
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-04-15 18:15:00 UTC
Updated2022-08-02 16:01:00 UTC
DescriptionSydent 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.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Matrix Sydent All All All All

References

ReferenceSourceLinkTags
Denial of service (via resource exhaustion) due to improper input validation · Advisory · matrix-org/sydent · GitHub CONFIRM github.com
matrix-sydent · PyPI MISC pypi.org
Validation improvements · matrix-org/sydent@3175fd3 · GitHub MISC github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 982338 Python (pip) Security Update for matrix-sydent (GHSA-pw4v-gr34-2553)
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