CVE-2021-21394: Denial of service (via resource exhaustion) due to improper input validation on third-party identifier endpoints
(updated )
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.
References
- github.com/advisories/GHSA-w9fg-xffh-p362
- github.com/matrix-org/synapse
- github.com/matrix-org/synapse/pull/9321
- github.com/matrix-org/synapse/pull/9393
- github.com/matrix-org/synapse/security/advisories/GHSA-w9fg-xffh-p362
- github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2021-27.yaml
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNNAJOZNMVMXM6AS7RFFKB4QLUJ4IFEY
- nvd.nist.gov/vuln/detail/CVE-2021-21394
- pypi.org/project/matrix-synapse
Code Behaviors & Features
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