medium4.3
CVE-2021-29433
Sydent DoS (via resource exhaustion) due to improper input validation
Impact
### 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 security@matrix.org.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | matrix-sydent | < 2.3.0 | 2.3.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Matrix | Sydent | before 2.3.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da
- https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553
- https://github.com/advisories/GHSA-pw4v-gr34-2553
- https://nvd.nist.gov/vuln/detail/CVE-2021-29433
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-sydent/PYSEC-2021-24.yaml
- https://pypi.org/project/matrix-sydent