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"lib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send \"Cache-Control: private\" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server."}, {"lang": "es", "value": "lib/filelib.php en Moodle hasta la versi\u00f3n 2.2.11, 2.3.x anterior a 2.3.10, 2.4.x anterior a la versi\u00f3n 2.4.7, y 2.5.x anterior a 2.5.3 no env\u00eda las cabeceras HTTP \"Cache-Control: private\", lo que permite a atacantes remotos obtener informaci\u00f3n sensible mediante la petici\u00f3n de un archivo que ha sido previamente recuperado por la cach\u00e9 del servidor proxy."}], "id": "CVE-2013-4522", "lastModified": "2026-04-29T01:13:23.040", "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}]}, "published": "2013-11-26T05:25:38.570", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743"}, {"source": "secalert@redhat.com", "url": "http://openwall.com/lists/oss-security/2013/11/25/1"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://moodle.org/mod/forum/discuss.php?d=244479"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://openwall.com/lists/oss-security/2013/11/25/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://moodle.org/mod/forum/discuss.php?d=244479"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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