{"containers":{"cna":{"affected":[{"product":"mpath","vendor":"n/a","versions":[{"lessThan":"0.8.4","status":"affected","version":"unspecified","versionType":"custom"}]}],"credits":[{"lang":"en","value":"Alessio Della Libera of Snyk Research Team"}],"datePublic":"2021-09-01T00:00:00.000Z","descriptions":[{"lang":"en","value":"This affects the package mpath before 0.8.4. A type confusion vulnerability can lead to a bypass of CVE-2018-16490. In particular, the condition ignoreProperties.indexOf(parts[i]) !== -1 returns -1 if parts[i] is ['__proto__']. This is because the method that has been called if the input is an array is Array.prototype.indexOf() and not String.prototype.indexOf(). They behave differently depending on the type of the input."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","exploitCodeMaturity":"PROOF_OF_CONCEPT","integrityImpact":"LOW","privilegesRequired":"NONE","remediationLevel":"OFFICIAL_FIX","reportConfidence":"CONFIRMED","scope":"UNCHANGED","temporalScore":5.1,"temporalSeverity":"MEDIUM","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Prototype Pollution","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2021-09-01T18:20:10.000Z","orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk"},"references":[{"tags":["x_refsource_MISC"],"url":"https://snyk.io/vuln/SNYK-JS-MPATH-1577289"},{"tags":["x_refsource_MISC"],"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579548"},{"tags":["x_refsource_MISC"],"url":"https://github.com/aheckmann/mpath/commit/89402d2880d4ea3518480a8c9847c541f2d824fc"}],"title":"Prototype Pollution","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"report@snyk.io","DATE_PUBLIC":"2021-09-01T18:18:36.388728Z","ID":"CVE-2021-23438","STATE":"PUBLIC","TITLE":"Prototype Pollution"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"mpath","version":{"version_data":[{"version_affected":"<","version_value":"0.8.4"}]}}]},"vendor_name":"n/a"}]}},"credit":[{"lang":"eng","value":"Alessio Della Libera of Snyk Research Team"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"This affects the package mpath before 0.8.4. A type confusion vulnerability can lead to a bypass of CVE-2018-16490. In particular, the condition ignoreProperties.indexOf(parts[i]) !== -1 returns -1 if parts[i] is ['__proto__']. This is because the method that has been called if the input is an array is Array.prototype.indexOf() and not String.prototype.indexOf(). They behave differently depending on the type of the input."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.6,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Prototype Pollution"}]}]},"references":{"reference_data":[{"name":"https://snyk.io/vuln/SNYK-JS-MPATH-1577289","refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JS-MPATH-1577289"},{"name":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579548","refsource":"MISC","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579548"},{"name":"https://github.com/aheckmann/mpath/commit/89402d2880d4ea3518480a8c9847c541f2d824fc","refsource":"MISC","url":"https://github.com/aheckmann/mpath/commit/89402d2880d4ea3518480a8c9847c541f2d824fc"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T19:05:56.015Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://snyk.io/vuln/SNYK-JS-MPATH-1577289"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579548"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/aheckmann/mpath/commit/89402d2880d4ea3518480a8c9847c541f2d824fc"}]}]},"cveMetadata":{"assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","assignerShortName":"snyk","cveId":"CVE-2021-23438","datePublished":"2021-09-01T18:20:11.072Z","dateReserved":"2021-01-08T00:00:00.000Z","dateUpdated":"2024-09-16T17:52:46.870Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}