matrix-org/sydent · Security
Sydent DoS (via resource exhaustion) due to improper input validation
- GHSA ID
- GHSA-pw4v-gr34-2553
- CVE ID
- CVE-2021-29433
- Severity
- medium
- Published
- Updated
- CVSS
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS v3
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS v4
- 5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Description
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.
For more information
If you have any questions or comments about this advisory, email us at [email protected].
CWEs
- CWE-20 · Improper Input Validation
- CWE-400 · Uncontrolled Resource Consumption
References
- https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2021-29433 ↗
- https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-sydent/PYSEC-2021-24.yaml ↗
- https://pypi.org/project/matrix-sydent ↗
- https://github.com/advisories/GHSA-pw4v-gr34-2553 ↗