{"id":"GHSA-7vwr-g6pm-9hc8","aliases":[],"url":"https://o3.security/vulnerability/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","published":"2023-12-01T19:23:49Z","modified":"2024-12-06T05:38:58.654295Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"fastapi-proxy-lib","fixedVersion":"0.1.0"}],"fix":{"url":"https://github.com/WSH032/fastapi-proxy-lib/pull/10","label":"WSH032/fastapi-proxy-lib#10"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2024-12-06T05:38:58.654295Z"}}