Show plain JSON{"id": "CVE-2011-4528", "cveTags": [], "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}]}, "published": "2011-12-20T11:55:05.757", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html", "source": "cret@cert.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html", "source": "cret@cert.org"}, {"url": "http://osvdb.org/77909", "source": "cret@cert.org"}, {"url": "http://secunia.com/advisories/47326", "source": "cret@cert.org"}, {"url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt", "tags": ["Patch", "Vendor Advisory"], "source": "cret@cert.org"}, {"url": "http://www.debian.org/security/2011/dsa-2370", "source": "cret@cert.org"}, {"url": "http://www.kb.cert.org/vuls/id/209659", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "source": "cret@cert.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://osvdb.org/77909", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/47326", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2011/dsa-2370", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kb.cert.org/vuls/id/209659", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response."}, {"lang": "es", "value": "Unbound antes de v1.4.13p2 intenta liberar memoria sin asignar durante el procesado de registros CNAME duplicados, lo que permite a servidores DNS remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de una respuesta modificada."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:unbound:unbound:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE7A3810-B4E1-4E49-B82E-1940D05BF8EF", "versionEndIncluding": "1.4.13"}, {"criteria": "cpe:2.3:a:unbound:unbound:0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7515192E-C07E-4399-85D0-2A1BC2F9B993"}, {"criteria": "cpe:2.3:a:unbound:unbound:0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "34D6D064-EA2B-4BA9-9D30-5A92DE178608"}, {"criteria": "cpe:2.3:a:unbound:unbound:0.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "55FAC8A9-EF56-407C-BF10-41F7C768E30A"}, {"criteria": "cpe:2.3:a:unbound:unbound:0.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E302E40E-EA2F-4021-89BB-B6B9B6B995A7"}, {"criteria": "cpe:2.3:a:unbound:unbound:0.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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"9728B9F3-4A4C-4332-9821-D82F81C2F4C7"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "27F18C3C-6E8B-46EF-8301-E3768F7AE739"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0F238D5D-2E86-4F79-84ED-1822338AF65A"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0D54E5E-BF0E-46F3-BB3A-E0FC7F5B93A7"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "564EB98A-535A-4EC5-B145-127156AD6452"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FFFA0D04-1B5E-4F3F-811C-F46BAB760F03"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.12:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3A01DA48-1220-4DC6-A74E-E1BAECB45DCB"}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.14:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4BEF501-D716-4618-BD78-0A2534712125"}], "operator": "OR"}]}], "evaluatorComment": "Per: http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt\r\n\r\n\"1.4.14 is released with the patch, but 1.4.14rc1 is vulnerable.\r\nhttp://www.unbound.net/downloads/unbound-1.4.14.tar.gz\"", "sourceIdentifier": "cret@cert.org"} 