A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
{ "vanir_signatures": [ { "digest": { "line_hashes": [ "10037443517696866748761392046871582022", "325675312630126864791861414191520860108", "248756423465337085234785710824740055381", "219130724463359041405235398817575440371", "18312600838351471896985731433715124179", "29813103265162816138856506205737681509", "248756423465337085234785710824740055381", "219130724463359041405235398817575440371" ], "threshold": 0.9 }, "id": "CVE-2021-23222-e1be026c", "signature_version": "v1", "deprecated": false, "signature_type": "Line", "target": { "file": "src/interfaces/libpq/fe-connect.c" }, "source": "https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45" }, { "digest": { "length": 22472.0, "function_hash": "218920273742902448943626208937972612244" }, "id": "CVE-2021-23222-f5ed594b", "signature_version": "v1", "deprecated": false, "signature_type": "Function", "target": { "function": "PQconnectPoll", "file": "src/interfaces/libpq/fe-connect.c" }, "source": "https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45" } ] }