CVE-2017-16671

{"id": "CVE-2017-16671", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2017-11-09T00:29:00.473", "references": [{"url": "http://downloads.digium.com/pub/security/AST-2017-010.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/101760", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://issues.asterisk.org/jira/browse/ASTERISK-27337", "tags": ["Issue Tracking", "Vendor Advisory"], "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": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "A Buffer Overflow issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. 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."}], "lastModified": "2018-11-25T11:29:00.957", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88EDB1A9-AC31-4A47-A222-0C4E17274A02", "versionEndExcluding": "13.18.1", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5861B3BC-A35A-4617-A24E-F88D27DBE3F6", "versionEndExcluding": "14.7.1", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "651DC4FA-A4EF-40DC-9B54-3ED928A7531A", "versionEndExcluding": "15.1.1", "versionStartIncluding": "15.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7233B5A2-E1CE-4B7E-99FA-26369B892B25"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F051FE7D-0695-4552-BC1C-836076825606"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2E9DFD7C-9ED1-4561-8AFF-69D98E8E398D"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA8BFAC6-17A7-4B80-B436-0FFA4B9EA22A"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "954376A0-A03C-47D9-BC5E-14B005DB3940"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07BB081F-504D-42E3-9CDE-4005572CA0CF"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F379170-DC3B-41B8-B950-7E0E1E6002AD"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "338BFA7B-AA84-483F-B298-BC932728E0EF"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A4D417F-485E-4CAD-8542-A22BBA2869E3"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61F70CD2-1727-4955-A81B-8927AEF468ED"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.13.0:cert6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9437455-90FB-4F90-B246-A37E558C9CE5"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}