rdiffweb prior to version 2.4.8 is vulnerable to Improper Cleanup on Thrown Exception. This could allow an attacker to display a message of their choice onto a web page. Version 2.4.8 contains a fix for this issue.
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-3301
- https://github.com/ikus060/rdiffweb/commit/5ac38b2a75becbab9f948bd5e37ecbcd9f0b362e
- https://huntr.dev/bounties/d3bf1e5d-055a-44b8-8d60-54ab966ed63a
- https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-295.yaml
- https://github.com/advisories/GHSA-qq29-5vjh-vxwr