CVE-2020-5243

{"id": "CVE-2020-5243", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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": 5.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.1}]}, "published": "2020-02-21T00:15:10.960", "references": [{"url": "https://github.com/ua-parser/uap-core/commit/0afd61ed85396a3b5316f18bfd1edfaadf8e88e1", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ua-parser/uap-core/security/advisories/GHSA-cmcx-xhr8-3w9p", "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-20"}]}], "descriptions": [{"lang": "en", "value": "uap-core before 0.7.3 is vulnerable to a denial of service attack when processing crafted User-Agent strings. Some regexes are vulnerable to regular expression denial of service (REDoS) due to overlapping capture groups. This allows remote attackers to overload a server by setting the User-Agent header in an HTTP(S) request to maliciously crafted long strings. This has been patched in uap-core 0.7.3."}, {"lang": "es", "value": "uap-core versiones anteriores a 0.7.3, es vulnerable a un ataque de denegaci\u00f3n de servicio cuando se procesan cadenas de User-Agent dise\u00f1adas. Algunas expresiones regulares son vulnerables a una denegaci\u00f3n de servicio de expresi\u00f3n regular (REDoS) debido a una superposici\u00f3n de grupos de captura. Esto permite a atacantes remotos sobrecargar un servidor mediante la configuraci\u00f3n del encabezado User-Agent en una petici\u00f3n HTTP(S) para cadenas largas dise\u00f1adas maliciosamente. Esto ha sido parcheado en uap-core versi\u00f3n 0.7.3."}], "lastModified": "2024-02-08T20:12:57.650", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:uap-core_project:uap-core:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "01D32B5D-738D-4349-B7E5-18C9F1B66947", "versionEndExcluding": "0.7.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}