CVE-2023-23557

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-23557", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "facebook", "dateReserved": "2023-01-12T23:36:42.921Z", "datePublished": "2023-05-18T21:19:41.668Z", "dateUpdated": "2025-01-21T21:20:13.134Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Hermes", "vendor": "Facebook", "versions": [{"lessThan": "a00d237346894c6067a594983be6634f4168c9ad", "status": "affected", "version": "0", "versionType": "git"}]}], "dateAssigned": "2023-01-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected."}], "problemTypes": [{"descriptions": [{"description": "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')", "lang": "en"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2023-05-18T21:19:41.668Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2023-23557"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T10:35:33.573Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.facebook.com/security/advisories/cve-2023-23557"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-843", "lang": "en", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-01-21T21:19:48.256570Z", "id": "CVE-2023-23557", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-21T21:20:13.134Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.facebook.com/security/advisories/cve-2023-23557", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T10:35:33.573Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2023-23557", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-01-21T21:19:48.256570Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-21T21:20:07.614Z"}}], "cna": {"affected": [{"vendor": "Facebook", "product": "Hermes", "versions": [{"status": "affected", "version": "0", "lessThan": "a00d237346894c6067a594983be6634f4168c9ad", "versionType": "git"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.facebook.com/security/advisories/cve-2023-23557", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad", "tags": ["x_refsource_MISC"]}], "dateAssigned": "2023-01-12T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2023-05-18T21:19:41.668Z"}}}, "cveMetadata": {"cveId": "CVE-2023-23557", "state": "PUBLISHED", "dateUpdated": "2025-01-21T21:20:13.134Z", "dateReserved": "2023-01-12T23:36:42.921Z", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "datePublished": "2023-05-18T21:19:41.668Z", "assignerShortName": "facebook"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Hermes", "vendor": "Facebook", "versions": [{"lessThan": "a00d237346894c6067a594983be6634f4168c9ad", "status": "affected", "version": "0", "versionType": "git"}]}], "source": "cve-assign@fb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3F86788-10E5-4DD4-99DA-865FDD9C7FD8", "versionEndExcluding": "2023-01-10", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected."}], "id": "CVE-2023-23557", "lastModified": "2026-06-17T05:37:25.843", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-23557", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-01-21T21:19:48.256570Z", "version": "2.0.3"}}]}, "published": "2023-05-18T22:15:09.540", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad"}, {"source": "cve-assign@fb.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2023-23557"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2023-23557"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-843"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}