CVE-2011-2480

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{"affected": [{"affectedData": [{"product": "FreeBSD", "vendor": "FreeBSD, NetBSD", "versions": [{"status": "affected", "version": "before 8.2"}]}, {"product": "NetBSD", "vendor": "FreeBSD, NetBSD", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "matchCriteriaId": "8FA21B68-4060-4AE3-BB27-7304561AD912", "versionEndExcluding": "8.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:netbsd:netbsd:-:*:*:*:*:*:x86:*", "matchCriteriaId": "E42A3980-EB24-473E-9890-E83F94182751", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures. A signedness error in the IEEE80211_IOC_CHANINFO ioctl allows a local unprivileged user to cause the kernel to copy large amounts of kernel memory back to the user, disclosing potentially sensitive information."}, {"lang": "es", "value": "Una vulnerabilidad de Divulgaci\u00f3n de Informaci\u00f3n en el protocolo 802.11 stack, como es usado en FreeBSD versiones anteriores a la versi\u00f3n 8.2 y NetBSD cuando es usado en ciertas arquitecturas que no son x86. Un error de firma en la ioctl IEEE80211_IOC_CHANINFO permite a un usuario local sin privilegios causar que el kernel copie grandes cantidades de memoria de kernel hacia el usuario, revelando informaci\u00f3n potencialmente confidencial."}], "id": "CVE-2011-2480", "lastModified": "2026-06-16T23:31:25.337", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-27T19:15:11.603", "references": [{"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "https://access.redhat.com/security/cve/cve-2011-2480"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2011-2480"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2011/06/20/15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://access.redhat.com/security/cve/cve-2011-2480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security-tracker.debian.org/tracker/CVE-2011-2480"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2011/06/20/15"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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