CVE-2017-2819

HIGH

Hancom Hangul Word Processor 9.6.1.4350 - Heap-Based Buffer Overflow via Crafted Document Stream

Title source: llm
STIX 2.1

Description

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 context of the application. An attacker can entice a user to open up a document in order to trigger this vulnerability.

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0320

Scores

CVSS v3 8.8
EPSS 0.0166
EPSS Percentile 73.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (3)
Hancom/Hangul Word Processor in Thinkfree Office NEO Trial Word 9.6.1.4902
hancom/hangul_word_processor 9.6.1.4350
hancom/thinkfree_office_neo 9.6.1.4902
Published May 24, 2017
Tracked Since Feb 18, 2026