CVE-2016-3957

{"id": "CVE-2016-3957", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": true, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2018-02-06T18:29:00.400", "references": [{"url": "https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/web2py/web2py/blob/R-2.14.1/gluon/utils.py#L200", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4030-1/", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "The secure_load function in gluon/utils.py in web2py before 2.14.2 uses pickle.loads to deserialize session information stored in cookies, which might allow remote attackers to execute arbitrary code by leveraging knowledge of encryption_key."}, {"lang": "es", "value": "La funci\u00f3n secure_load en gluon/utils.py en web2py, en versiones anteriores a la 2.14.2, emplea pickle.loads para deserializar informaci\u00f3n de sesi\u00f3n almacenada en cookies. Esto podr\u00eda permitir que atacantes remotos ejecuten c\u00f3digo arbitrario aprovechando el conocimiento de encryption_key."}], "lastModified": "2019-06-21T22:15:10.623", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:web2py:web2py:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFE64C05-496E-4D7D-A659-5F376D249FAC", "versionEndExcluding": "2.14.2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}