CVE-2021-33580

{"id": "CVE-2021-33580", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "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}]}, "published": "2021-08-18T08:15:06.173", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/08/18/1", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@apache.org"}, {"url": "https://lists.apache.org/thread.html/r9d967d80af941717573e531db2c7353a90bfd0886e9b5d5d79f75506%40%3Cuser.roller.apache.org%3E", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}, {"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "User controlled `request.getHeader(\"Referer\")`, `request.getRequestURL()` and `request.getQueryString()` are used to build and run a regex expression. The attacker doesn't have to use a browser and may send a specially crafted Referer header programmatically. Since the attacker controls the string and the regex pattern he may cause a ReDoS by regex catastrophic backtracking on the server side. This problem has been fixed in Roller 6.0.2."}, {"lang": "es", "value": "Los controles de usuario \"request.getHeader(\"Referer\")\", \"request.getRequestURL()\" y \"request.getQueryString()\" son usados para construir y ejecutar una expresi\u00f3n regex. El atacante no tiene que usar un navegador y puede enviar un encabezado Referer especialmente dise\u00f1ada mediante programaci\u00f3n. Dado que el atacante controla la cadena y el patr\u00f3n regex, puede causar un ReDoS mediante el retroceso catastr\u00f3fico de regex en el lado del servidor. Este problema ha sido corregido en Roller versi\u00f3n 6.0.2."}], "lastModified": "2021-08-26T01:25:41.707", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:roller:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A3A7D5E-4C46-4659-B300-EEA08ED8BC29", "versionEndExcluding": "6.0.2"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}