CVE-2017-16671

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No size checking is done when setting the user field for Party B on a CDR. Thus, it is possible for someone to use an arbitrarily large string and write past the end of the user field storage buffer. NOTE: this is different from CVE-2017-7617, which was only about the Party A buffer."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer se descubri\u00f3 en Asterisk Open Source en versiones 13 anteriores a la 13.18.1, versiones 14 anteriores a la 14.7.1 y versiones 15 antes de la 15.1.1 y en Certified Asterisk 13.13 en versiones anteriores a la 13.13-cert7. No se realizan chequeos de tama\u00f1o cuando se configura el campo user para Party B en un CDR. Por ello, es posible que alguien utilice una cadena arbitraria con una longitud larga y escriba m\u00e1s all\u00e1 del final del b\u00fafer de almacenamiento del campo user. NOTA: esta vulnerabilidad es diferente de CVE-2017-7617, que solo trataba del b\u00fafer Party A."}], "id": "CVE-2017-16671", "lastModified": "2026-06-17T01:09:39.153", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-11-09T00:29:00.473", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://downloads.digium.com/pub/security/AST-2017-010.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/101760"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-27337"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201811-11"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2017/dsa-4076"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://downloads.digium.com/pub/security/AST-2017-010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/101760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-27337"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201811-11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2017/dsa-4076"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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