CVE-2022-35923

{"id": "CVE-2022-35923", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-08-02T20:15:09.947", "references": [{"url": "https://github.com/imbrn/v8n/commit/92393862156fad190c05ec3f6e2bc73308dcd2f9", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/imbrn/v8n/security/advisories/GHSA-xrx9-gj26-5wx9", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://huntr.dev/bounties/2d92f644-593b-43b4-bfd1-c8042ac60609/", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1333"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "v8n is a javascript validation library. Versions of v8n prior to 1.5.1 were found to have an inefficient regular expression complexity in the `lowercase()` and `uppercase()` regex which could lead to a denial of service attack. In testing of the `lowercase()` function a payload of 'a' + 'a'.repeat(i) + 'A' with 32 leading characters took 29443 ms to execute. The same issue happens with uppercase(). Users are advised to upgrade. There are no known workarounds for this issue."}, {"lang": "es", "value": "v8n es una biblioteca de comprobaci\u00f3n de javascript. Las versiones de v8n anteriores a 1.5.1, presentaban una complejidad de expresi\u00f3n regular ineficiente en las expresiones regulares \"lowercase()\" y \"uppercase()\" que pod\u00eda conllevar a un ataque de denegaci\u00f3n de servicio. En las pruebas de la funci\u00f3n \"lowercase()\" una carga \u00fatil de \"a\" + \"a\".repeat(i) + \"A\" con 32 caracteres iniciales tardaba 29443 ms en ejecutarse. El mismo problema ocurre con uppercase(). Es recomendado a usuarios actualizar. No se presentan mitigaciones conocidas para este problema"}], "lastModified": "2023-07-21T20:49:08.377", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:v8n_project:v8n:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "756E657C-AD87-49ED-B83B-5BD406633992", "versionEndExcluding": "1.5.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}