rdiffweb prior to 2.4.8 is vulnerable to a potential Dos attack via an unlimited length “username” field. This can result in excess memory consumption, or memory corruption, leading to a Denial of Service (DoS). This issue is patched in version 2.4.8. There are no known workarounds.
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-3290
- https://github.com/ikus060/rdiffweb/commit/667657c6fe2b336c90be37f37fb92f65df4feee3
- https://huntr.dev/bounties/d8b8519d-96a5-484c-8141-624c54290bf5
- https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-292.yaml
- https://github.com/advisories/GHSA-5v95-j4rr-6f3c