{"api_version":"1","generated_at":"2026-07-23T07:35:51+00:00","cve":"CVE-2017-6658","urls":{"html":"https://cve.report/CVE-2017-6658","api":"https://cve.report/api/cve/CVE-2017-6658.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-6658","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6658"},"summary":{"title":"CVE-2017-6658","description":"Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.","state":"PUBLISHED","assigner":"cisco","published_at":"2017-05-16 17:29:00","updated_at":"2025-04-20 01:37:25"},"problem_types":["CWE-125","buffer overread"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"7.5","severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html","name":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Snort Blog: Snort++ Vulnerabilities Found","mime":"text/html","httpstatus":"503","archivestatus":"200"},{"url":"http://www.securitytracker.com/id/1038483","name":"http://www.securitytracker.com/id/1038483","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Cisco Snort++ Protocol Decoder Bugs Let Remote Users Deny Service - SecurityTracker","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort","name":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170515-snort","refsource":"nvd@nist.gov","tags":["Vendor Advisory"],"title":"Cisco Snort++ Protocol Decoder Denial of Service Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-6658","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6658","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"Snort 3.0 All versions prior to build 233.","version":"affected Snort 3.0 All versions prior to build 233.","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"6658","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cisco","cpe5":"sourcefire_snort","cpe6":"3.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-05T15:33:20.437Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"1038483","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"],"url":"http://www.securitytracker.com/id/1038483"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"Snort 3.0 All versions prior to build 233.","vendor":"n/a","versions":[{"status":"affected","version":"Snort 3.0 All versions prior to build 233."}]}],"datePublic":"2017-05-16T00:00:00.000Z","descriptions":[{"lang":"en","value":"Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem."}],"problemTypes":[{"descriptions":[{"description":"buffer overread","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-07-07T09:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"1038483","tags":["vdb-entry","x_refsource_SECTRACK"],"url":"http://www.securitytracker.com/id/1038483"},{"tags":["x_refsource_CONFIRM"],"url":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2017-6658","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Snort 3.0 All versions prior to build 233.","version":{"version_data":[{"version_value":"Snort 3.0 All versions prior to build 233."}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"buffer overread"}]}]},"references":{"reference_data":[{"name":"1038483","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1038483"},{"name":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html","refsource":"CONFIRM","url":"http://blog.snort.org/2017/05/snort-vulnerabilities-found.html"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2017-6658","datePublished":"2017-05-16T17:00:00.000Z","dateReserved":"2017-03-09T00:00:00.000Z","dateUpdated":"2024-08-05T15:33:20.437Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2017-05-16 17:29:00","lastModifiedDate":"2025-04-20 01:37:25","problem_types":["CWE-125","buffer overread"],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":true,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cisco:sourcefire_snort:3.0:*:*:*:*:*:*:*","matchCriteriaId":"4724070C-D993-45C6-9647-DE420F600D39"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"6658","Ordinal":"1","Title":"CVE-2017-6658","CVE":"CVE-2017-6658","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"6658","Ordinal":"1","NoteData":"Cisco Sourcefire Snort 3.0 before build 233 has a Buffer Overread related to use of a decoder array. The size was off by one making it possible to read past the end of the array with an ether type of 0xFFFF. Increasing the array size solves this problem.","Type":"Description","Title":"CVE-2017-6658"},{"CveYear":"2017","CveId":"6658","Ordinal":"2","NoteData":"2017-05-16","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"6658","Ordinal":"3","NoteData":"2017-07-07","Type":"Other","Title":"Modified"}]}}}