Hancom Hangul HCell HncChart CFormulaTokenSizeModifier Code Execution Vulnerability(CVE-2016-4295)

Description This vulnerability was discovered within the Hangul Hcell application which is part of the Hangul Office Suite. Hangul Office is published by Hancom, Inc. and is considered one of the more popular Office suites used within South Korea. When opening a Hangul Hcell Document .cell and...

CVE-2017-2790: Improper Restriction of Operations within the Bounds of a Memory Buffer

When processing a record type of 0x3c from a Workbook stream from an Excel file .xls, JustSystems Ichitaro Office trusts that the size is greater than zero, subtracts one from the length, and uses this result as the size for a memcpy. This results in a heap-based buffer overflow and can lead to...

CVE-2016-4295

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...

CVE-2016-4295: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2016-4294: Improper Restriction of Operations within the Bounds of a Memory Buffer

When opening a Hangul Hcell Document .cell and processing a property record within the Workbook stream, Hancom Office 2014 will attempt to allocate space for an element using a length from the file. When copying user-supplied data to this buffer, however, the application will use a different size...

Hancom Hangul HCell CSSValFormat::CheckUnderbar Code Execution Vulnerability

Talos Vulnerability Report TALOS-2016-0151 Hancom Hangul HCell CSSValFormat::CheckUnderbar Code Execution Vulnerability August 4, 2016 CVE Number CVE-2016-4296 Description This vulnerability was discovered within the Hangul Hcell application which is part of the Hangul Office Suite. Hangul Office...