CVE-2019-10795 - Vulnerability Details - OpenCVE

Description

undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Published: 2020-02-18

Score: 6.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Snyk

undefsafe

affected

Version	Status	Constraints
`All versions prior to version 2.0.3`	affected	—

Configuration 1 [-]

cpe:2.3:a:undefsafe_project:undefsafe:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-0772	undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
Github GHSA	GHSA-332q-7ff2-57h2	Prototype Pollution in undefsafe

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.0034.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822
https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940

History

No history.

Subscriptions

Undefsafe Project Undefsafe

MITRE

Status: PUBLISHED

Assigner: snyk

Published: 2020-02-18T15:43:13.000Z

Updated: 2024-08-04T22:32:02.035Z

Reserved: 2019-04-03T00:00:00.000Z

Link: CVE-2019-10795

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-02-18T16:15:10.470

Modified: 2024-11-21T04:19:56.167

Link: CVE-2019-10795

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-74

{"containers": {"cna": {"affected": [{"product": "undefsafe", "vendor": "Snyk", "versions": [{"status": "affected", "version": "All versions prior to version 2.0.3"}]}], "descriptions": [{"lang": "en", "value": "undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload."}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-02-18T15:43:13.000Z", "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "shortName": "snyk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "report@snyk.io", "ID": "CVE-2019-10795", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "undefsafe", "version": {"version_data": [{"version_value": "All versions prior to version 2.0.3"}]}}]}, "vendor_name": "Snyk"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940", "refsource": "MISC", "url": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"}, {"name": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822", "refsource": "MISC", "url": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T22:32:02.035Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822"}]}]}, "cveMetadata": {"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730", "assignerShortName": "snyk", "cveId": "CVE-2019-10795", "datePublished": "2020-02-18T15:43:13.000Z", "dateReserved": "2019-04-03T00:00:00.000Z", "dateUpdated": "2024-08-04T22:32:02.035Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:undefsafe_project:undefsafe:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "77B757A9-C2ED-4FEA-BCDA-C20D9E8F3CE6", "versionEndExcluding": "2.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload."}, {"lang": "es", "value": "undefsafe versiones anteriores a 2.0.3, es vulnerable a una Contaminaci\u00f3n de Prototipo (Prototype Pollution). La funci\u00f3n \"a\" podr\u00eda ser enga\u00f1ada para agregar o modificar propiedades de Object.prototype mediante el uso de una carga \u00fatil __proto__."}], "id": "CVE-2019-10795", "lastModified": "2024-11-21T04:19:56.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-02-18T16:15:10.470", "references": [{"source": "report@snyk.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822"}, {"source": "report@snyk.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"}], "sourceIdentifier": "report@snyk.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}