CVE-2021-29433

Advisory

### 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 [email protected].

Affected package

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

• https://nvd.nist.gov/vuln/detail/CVE-2021-29433
• https://github.com/advisories/GHSA-pw4v-gr34-2553
• https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553
• https://pypi.org/project/matrix-sydent/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29433
• https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da