CVE-2016-4292 Information

Description

When opening a Hangul HShow Document (.hpt) and processing a structure within the document Hancom Office 2014 will use a static size to allocate a heap buffer yet explicitly trust a size from the file when modifying data inside of it. Due to this an aggressor can corrupt memory outside the bounds of this buffer which can lead to code execution under the context of the application.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/92325 http://www.talosintelligence.com/reports/TALOS-2016-0147/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8