{"id":"GHSA-m734-r4g6-34f9","aliases":[],"status":"published","title":"NoSQL Injection in loopback-connector-mongodb","description":"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\": {\"$where\": \"function(){sleep(5000); return this.title.contains('Hello');}\"}}\n```\n\nThe above makes the database sleep for 5 seconds and then returns all “Posts” with the title containing the word `Hello`.\n\n\n\n\n## Recommendation\n\nUpdate to version 3.6.0 or later.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-89"],"published":"2019-06-04T19:36:17Z","modified":"2023-01-09T05:01:39Z","fixes":[{"ecosystem":"npm","package":"loopback-connector-mongodb","fixed_in":["3.6.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"loopback-connector-mongodb","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.0"}]}]},{"source":"osv","ecosystem":"npm","package":"loopback-connector-mongodb","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.0"}]}]}],"references":[{"url":"https://github.com/strongloop/loopback-connector-mongodb/issues/403","tags":["web"]},{"url":"https://github.com/strongloop/loopback-connector-mongodb/pull/452","tags":["web"]},{"url":"https://github.com/strongloop/loopback-connector-mongodb/commit/ee24cd08b8ccc32711264831c71b1da628df357b","tags":["web"]},{"url":"https://loopback.io/doc/en/lb3/Security-advisory-08-15-2018.html","tags":["web"]},{"url":"https://www.npmjs.com/advisories/696","tags":["web"]},{"url":"https://github.com/advisories/GHSA-m734-r4g6-34f9"}],"sources":{"ghsa":[{"id":"GHSA-m734-r4g6-34f9","title":"NoSQL Injection in loopback-connector-mongodb","description":"Versions of `loopback-connector-mongodb` before 3.6.0 are vulnerable to NoSQL injection.\n\nMongoDB Connector for LoopBack fails to properly sanitize a filter passed to query the database by allowing the dangerous `$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.","status":"published","published":"2019-06-04T19:36:17Z","modified":"2023-01-09T05:01:39Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:36:02.073372Z"}],"osv":[{"id":"GHSA-m734-r4g6-34f9","title":"NoSQL Injection in loopback-connector-mongodb","description":"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.","status":"published","published":"2019-06-04T19:36:17Z","modified":"2021-08-04T20:47:58Z","cwes":["CWE-89"],"updated_at":"2026-11-02T15:46:51.463834Z"}]}}