{ "schema_version": "1.4.0", "id": "GHSA-m734-r4g6-34f9", "modified": "2021-08-04T20:47:58Z", "published": "2019-06-04T19:36:17Z", "aliases": [], "summary": "NoSQL Injection in loopback-connector-mongodb", "details": "Versions of `loopback-connector-mongodb` before 3.6.0 are vulnerable to NoSQL injection.\n\nMongoDB Connector for LoopBack fails to properly sanitize a filter passed to query the database by allowing the dangerous `$where` property to be passed to the MongoDB Driver. The Driver allows the special `$where` property in a filter to execute JavaScript (client can pass in a malicious script) on the database Driver. This is an [intended feature of MongoDB](https://docs.mongodb.com/manual/core/server-side-javascript/) unless disabled ([instructions here](https://docs.mongodb.com/manual/core/server-side-javascript/#disable-server-side-js)).\n\nA proof of concept malicious query:\n\n```\nGET /POST filter={\"where\": {\"$where\": \"function(){sleep(5000); return this.title.contains('Hello');}\"}}\n```\n\nThe above makes the database sleep for 5 seconds and then returns all “Posts” with the title containing the word `Hello`.\n\n\n\n\n## Recommendation\n\nUpdate to version 3.6.0 or later.", "severity": [], "affected": [ { "package": { "ecosystem": "npm", "name": "loopback-connector-mongodb" }, "ranges": [ { "type": "ECOSYSTEM", "events": [ { "introduced": "0" }, { "fixed": "3.6.0" } ] } ] } ], "references": [ { "type": "WEB", "url": "https://github.com/strongloop/loopback-connector-mongodb/issues/403" }, { "type": "WEB", "url": "https://github.com/strongloop/loopback-connector-mongodb/pull/452" }, { "type": "WEB", "url": "https://github.com/strongloop/loopback-connector-mongodb/commit/ee24cd08b8ccc32711264831c71b1da628df357b" }, { "type": "WEB", "url": "https://loopback.io/doc/en/lb3/Security-advisory-08-15-2018.html" }, { "type": "WEB", "url": "https://www.npmjs.com/advisories/696" } ], "database_specific": { "cwe_ids": [ "CWE-89" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2019-06-04T19:35:47Z", "nvd_published_at": null } }