cve-2020-1911
Vulnerability from cvelistv5
Published
2020-09-04 02:35
Modified
2024-08-04 06:53
Severity ?
Summary
A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
References
cve-assign@fb.comhttps://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27daPatch, Third Party Advisory
cve-assign@fb.comhttps://www.facebook.com/security/advisories/cve-2020-1911Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27daPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.facebook.com/security/advisories/cve-2020-1911Third Party Advisory
Impacted products
Vendor Product Version
Facebook Hermes Version: commit prior to fe52854cdf6725c2eaa9e125995da76e6ceb27da
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-04T06:53:59.783Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://www.facebook.com/security/advisories/cve-2020-1911",
               },
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "Hermes",
               vendor: "Facebook",
               versions: [
                  {
                     status: "affected",
                     version: "commit prior to fe52854cdf6725c2eaa9e125995da76e6ceb27da",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     cweId: "CWE-843",
                     description: "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')",
                     lang: "en",
                     type: "CWE",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2020-09-04T02:35:19",
            orgId: "4fc57720-52fe-4431-a0fb-3d2c8747b827",
            shortName: "facebook",
         },
         references: [
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://www.facebook.com/security/advisories/cve-2020-1911",
            },
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "cve-assign@fb.com",
               DATA_ASSIGNED: "2020-09-03",
               ID: "CVE-2020-1911",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Hermes",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "commit prior to fe52854cdf6725c2eaa9e125995da76e6ceb27da",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Facebook",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.facebook.com/security/advisories/cve-2020-1911",
                     refsource: "CONFIRM",
                     url: "https://www.facebook.com/security/advisories/cve-2020-1911",
                  },
                  {
                     name: "https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da",
                     refsource: "CONFIRM",
                     url: "https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "4fc57720-52fe-4431-a0fb-3d2c8747b827",
      assignerShortName: "facebook",
      cveId: "CVE-2020-1911",
      datePublished: "2020-09-04T02:35:20",
      dateReserved: "2019-12-02T00:00:00",
      dateUpdated: "2024-08-04T06:53:59.783Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2020-1911\",\"sourceIdentifier\":\"cve-assign@fb.com\",\"published\":\"2020-09-04T03:15:09.700\",\"lastModified\":\"2024-11-21T05:11:35.797\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A type confusion vulnerability when resolving properties of JavaScript objects with specially-crafted prototype chains in Facebook Hermes prior to commit fe52854cdf6725c2eaa9e125995da76e6ceb27da allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de confusión de tipos al resolver propiedades de objetos JavaScript con cadenas de prototipos especialmente diseñadas en Facebook Hermes versiones anteriores al commit fe52854cdf6725c2eaa9e125995da76e6ceb27da, permite a atacantes ejecutar potencialmente código arbitrario por medio de un JavaScript diseñado. Tome en cuenta que esto solo se puede explotar si la aplicación que usa Hermes permite una evaluación de JavaScript que no es confiable. Por lo tanto, la mayoría de las aplicaciones React Native no están afectadas\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cve-assign@fb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-843\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-843\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.4.3\",\"matchCriteriaId\":\"A050D3EF-B82D-4B22-8504-42B384E738B9\"}]}]}],\"references\":[{\"url\":\"https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://www.facebook.com/security/advisories/cve-2020-1911\",\"source\":\"cve-assign@fb.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/facebook/hermes/commit/fe52854cdf6725c2eaa9e125995da76e6ceb27da\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://www.facebook.com/security/advisories/cve-2020-1911\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.