{"id":"GHSA-7vwr-g6pm-9hc8","summary":"Cookie leakage between different users in fastapi-proxy-lib","details":"### Impact\n\nIn the implementation of version `0.0.1`, requests from different user clients are processed using a shared `httpx.AsyncClient`.\n\nHowever, one oversight is that the `httpx.AsyncClient` will persistently store cookies based on the `set-cookie` response header sent by the target server and share these cookies across different user requests.\n\nThis results in a cookie leakage issue among all user clients sharing the same `httpx.AsyncClient`.\n\n### Patches\n\nIt's fixed in `0.1.0`\n\n### Workarounds\n\nIf you insist `0.0.1`:\n- Do not use `ForwardHttpProxy` at all.\n- Do not use `ReverseHttpProxy` or `ReverseWebSocketProxy` for any servers that may potentially send a `set-cookie` response.\n\n**However, it's best to upgrade to the latest version.**\n\n### References\n\nfixed in [#10](https://github.com/WSH032/fastapi-proxy-lib/pull/10) \n","modified":"2024-12-06T05:38:58.654295Z","published":"2023-12-01T19:23:49Z","database_specific":{"cwe_ids":[],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2023-12-01T19:23:49Z","nvd_published_at":null},"references":[{"type":"WEB","url":"https://github.com/WSH032/fastapi-proxy-lib/security/advisories/GHSA-7vwr-g6pm-9hc8"},{"type":"WEB","url":"https://github.com/WSH032/fastapi-proxy-lib/pull/10"},{"type":"PACKAGE","url":"https://github.com/WSH032/fastapi-proxy-lib"}],"affected":[{"package":{"name":"fastapi-proxy-lib","ecosystem":"PyPI","purl":"pkg:pypi/fastapi-proxy-lib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.1.0"}]}],"versions":["0.0.1b0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/12/GHSA-7vwr-g6pm-9hc8/GHSA-7vwr-g6pm-9hc8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}