CVE-2020-6817

{"id": "CVE-2020-6817", "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}]}, "published": "2023-02-16T22:15:10.650", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633", "tags": ["Exploit", "Issue Tracking"], "source": "security@mozilla.org"}, {"url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1623633", "tags": ["Exploit", "Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-1333"}]}], "descriptions": [{"lang": "en", "value": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']})."}, {"lang": "es", "value": "Los atributos de estilo de an\u00e1lisis del comportamiento de bleach.clean podr\u00edan dar como resultado una denegaci\u00f3n de servicio de expresi\u00f3n regular (ReDoS). Las llamadas a blanqueador.clean con una etiqueta permitida con un atributo de estilo permitido son vulnerables a ReDoS. Por ejemplo, blanqueador.clean(..., atributos={'a': ['estilo']})."}], "lastModified": "2024-11-21T05:36:14.097", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21F7320C-9B5F-4B16-896E-2326A8B8B488", "versionEndExcluding": "3.1.4"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}