CVE-2023-23556

{"id": "CVE-2023-23556", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2023-05-18T22:15:09.487", "references": [{"url": "https://github.com/facebook/hermes/commit/a6dcafe6ded8e61658b40f5699878cd19a481f80", "tags": ["Patch"], "source": "cve-assign@fb.com"}, {"url": "https://www.facebook.com/security/advisories/cve-2023-23556", "tags": ["Patch", "Vendor Advisory"], "source": "cve-assign@fb.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An error in BigInt conversion to Number in Hermes prior to commit a6dcafe6ded8e61658b40f5699878cd19a481f80 could have been used by a malicious attacker to execute arbitrary code due to an out-of-bound write. Note that this bug is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected."}], "lastModified": "2023-11-07T04:07:44.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0B18E12-1694-49FF-881C-4BC5A8C847D7", "versionEndExcluding": "2023-02-02"}], "operator": "OR"}]}], "sourceIdentifier": "cve-assign@fb.com"}