Buffer overflow

Hancom NEO versions 9.6.1.5183 and earlier have a buffer Overflow vulnerability that leads remote attackers to execute arbitrary commands when performing the hyperlink Attributes in document...

CVE-2018-5195

Hancom NEO versions 9.6.1.5183 and earlier have a buffer Overflow vulnerability that leads remote attackers to execute arbitrary commands when performing the hyperlink Attributes in document...

CVE-2018-5195

Hancom NEO has a buffer overflow in the hyperlink Attributes handling, affecting versions up to 9.6.1.5183 and earlier. The root cause is a buffer overflow in the component that processes hyperlink attributes within documents, enabling a remote attacker to execute arbitrary commands. Impact is re...

CVE-2018-5195: Improper Restriction of Operations within the Bounds of a Memory Buffer

Hancom NEO versions 9.6.1.5183 and earlier have a buffer Overflow vulnerability that leads remote attackers to execute arbitrary commands when performing the hyperlink Attributes in document...

Korea In The Crosshairs

This blog post is authored by Warren Mercer and Paul Rascagneres and with contributions from Jungsoo An. A one year review of campaigns performed by an actor with multiple campaigns mainly linked to South Korean targets. Executive Summary This article exposes the malicious activities of Group 123...

Hancom Hangul HCell CSSValFormat::CheckUnderbar Code Execution Vulnerability(CVE-2016-4296)

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...

Hancom Hangul Office HShow!NXDeleteLineObj+0x53692 Code Execution Vulnerability(CVE-2016-4291)

Description This vulnerability was discovered within the Hangul HShow 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 HShow Document .hpt and...

Hancom Hangul Office HShow!NXDeleteLineObj+0x560cb Code Execution Vulnerability(CVE-2016-4298)

Description This vulnerability was discovered within the Hangul HShow 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 HShow Document .hpt and...

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...

Hancom Hangul Office HShow!NXDeleteLineObj+0x6960c Code Execution Vulnerability(CVE-2016-4290)

Description This vulnerability was discovered within the Hangul HShow 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 HShow Document .hpt and...

Hancom Hangul Office HShow!NXDeleteLineObj+0x47269 Code Execution Vulnerability(CVE-2016-4292)

Description This vulnerability was discovered within the Hangul HShow 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 HShow Document .hpt and...

Hancom Hangul HCell Workbook Table and Pivot Style Code Execution Vulnerability(CVE-2016-4293)

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...

Hancom Hangul HCell OfficeArt Record pConnectionSites and pVertices Code Execution Vulnerability(CVE-2016-4294)

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...

Hancom Thinkfree NEO Hangul Word Processor HWPTAG_TAB_DEF Tab Count Code Execution Vulnerability(CVE-2017-2819)

Summary An exploitable heap-based buffer overflow exists in the Hangul Word Processor component version 9.6.1.4350 of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under th...

Hancom Thinkfree Office NEO Hangul Word Processor Component Buffer Overflow Vulnerability

Hancom ThinkFree Office NEO is an office software suite developed by Hancom in South Korea.Hangul Word Processor is one of the Korean language processor components. A buffer overflow vulnerability exists in version 9.6.1.4350 of the Hangul Word Processor component in Hancom Thinkfree Office NEO...

Heap overflow

An exploitable heap-based buffer overflow exists in the Hangul Word Processor component version 9.6.1.4350 of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the contex...

CVE-2017-2819

CVE-2017-2819 is an exploitable heap-based buffer overflow in Hancom Thinkfree Office NEO (Hangul Word Processor, Hangul WPD) v9.6.1.4350. The issue occurs when processing HWPTAG_TAB_DEF(22) records in the DocInfo stream of the Hangul Word Processing Document format; a signed comparison during dy...

CVE-2017-2819

An exploitable heap-based buffer overflow exists in the Hangul Word Processor component version 9.6.1.4350 of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the contex...

CVE-2017-2819: Improper Restriction of Operations within the Bounds of a Memory Buffer

An exploitable heap-based buffer overflow exists in the Hangul Word Processor component version 9.6.1.4350 of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under the contex...

Hancom Thinkfree NEO Hangul Word Processor HWPTAG_TAB_DEF Tab Count Code Execution Vulnerability

Summary An exploitable heap-based buffer overflow exists in the Hangul Word Processor component version 9.6.1.4350 of Hancom Thinkfree Office NEO 9.6.1.4902. A specially crafted document stream can cause an integer underflow resulting in a buffer overflow which can lead to code execution under th...