CVE-2016-4295

{"containers": {"cna": {"affected": [{"product": "Hancom Office", "vendor": "Hancom", "versions": [{"status": "affected", "version": "2014 VP Trial HCell.exe Product version: 9.1.0.2176, HCellApp.dll Product version: 9.1.0.2176 HCellBook.dll Product version: 9.1.0.2176"}]}], "datePublic": "2016-08-04T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "When opening a Hangul Hcell Document (.cell) and processing a particular record within the Workbook stream, an index miscalculation leading to a heap overlow can be made to occur in Hancom Office 2014. The vulnerability occurs when processing data for a formula used to render a chart via the HncChartPlugin.hplg library. Due to a lack of bounds-checking when incrementing an index that is used for writing into a buffer for formulae, the application can be made to write pointer data outside its bounds which can lead to code execution under the context of the application."}], "problemTypes": [{"descriptions": [{"description": "index miscalculation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-01-09T10:57:01.000Z", "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0150/"}, {"name": "92327", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/92327"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cert@cert.org", "ID": "CVE-2016-4295", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Hancom Office", "version": {"version_data": [{"version_value": "2014 VP Trial HCell.exe Product version: 9.1.0.2176, HCellApp.dll Product version: 9.1.0.2176 HCellBook.dll Product version: 9.1.0.2176"}]}}]}, "vendor_name": "Hancom"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "When opening a Hangul Hcell Document (.cell) and processing a particular record within the Workbook stream, an index miscalculation leading to a heap overlow can be made to occur in Hancom Office 2014. The vulnerability occurs when processing data for a formula used to render a chart via the HncChartPlugin.hplg library. Due to a lack of bounds-checking when incrementing an index that is used for writing into a buffer for formulae, the application can be made to write pointer data outside its bounds which can lead to code execution under the context of the application."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "index miscalculation"}]}]}, "references": {"reference_data": [{"name": "http://www.talosintelligence.com/reports/TALOS-2016-0150/", "refsource": "MISC", "url": "http://www.talosintelligence.com/reports/TALOS-2016-0150/"}, {"name": "92327", "refsource": "BID", "url": "http://www.securityfocus.com/bid/92327"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T00:25:14.023Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0150/"}, {"name": "92327", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/92327"}]}]}, "cveMetadata": {"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "assignerShortName": "certcc", "cveId": "CVE-2016-4295", "datePublished": "2017-01-06T21:00:00.000Z", "dateReserved": "2016-04-27T00:00:00.000Z", "dateUpdated": "2024-08-06T00:25:14.023Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Hancom Office", "vendor": "Hancom", "versions": [{"status": "affected", "version": "2014 VP Trial HCell.exe Product version: 9.1.0.2176, HCellApp.dll Product version: 9.1.0.2176 HCellBook.dll Product version: 9.1.0.2176"}]}], "source": "cret@cert.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hancom:hancom_office_2014:*:*:*:*:*:*:*:*", "matchCriteriaId": "C0371DC9-A86B-4729-B74C-7C0AA87A54BB", "versionEndIncluding": "9.1.0.2176", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When opening a Hangul Hcell Document (.cell) and processing a particular record within the Workbook stream, an index miscalculation leading to a heap overlow can be made to occur in Hancom Office 2014. The vulnerability occurs when processing data for a formula used to render a chart via the HncChartPlugin.hplg library. Due to a lack of bounds-checking when incrementing an index that is used for writing into a buffer for formulae, the application can be made to write pointer data outside its bounds which can lead to code execution under the context of the application."}, {"lang": "es", "value": "Cuando se abre un Hangul Hcell Document (.cell) y se procesa un registro en particular dentro del Workbook stream, puede hacer que ocurra un error de c\u00e1lculo del \u00edndice que conduce a un desbordamiento de la memoria din\u00e1mica en Hancom Office 2014. La vulnerabilidad ocurre cuando se procesan datos para una f\u00f3rmula empleada para representar un gr\u00e1fico a trav\u00e9s de la librer\u00eda HncChartPlugin.hplg. Debido a la falta de verificaci\u00f3n de l\u00edmites cuando se incrementa un \u00edndice que es utilizado para escribir en un b\u00fafer para f\u00f3rmulas, se puede hacer que la aplicaci\u00f3n escriba datos del puntero fuera de sus l\u00edmites lo que puede conducir a ejecuci\u00f3n de c\u00f3digo bajo el contexto de la aplicaci\u00f3n."}], "id": "CVE-2016-4295", "lastModified": "2026-06-17T00:47:18.317", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-06T21:59:01.307", "references": [{"source": "cret@cert.org", "url": "http://www.securityfocus.com/bid/92327"}, {"source": "cret@cert.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory", "VDB Entry"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0150/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/92327"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory", "VDB Entry"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0150/"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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