PT-2017-8460 · Hancom · Hancom Office

Published 2017-04-20 · Updated 2017-04-27 · CVE-2016-4293

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Hancom Office 2014 VP

Description The issue is related to multiple heap-based buffer overflows in the CBookBase::SetDefTableStyle and CBookBase::SetDefPivotStyle functions. This can be exploited by remote attackers to execute arbitrary code via a crafted Hangul Hcell Document (.cell) file.

Recommendations For Hancom Office 2014 VP, update to a version that fixes the buffer overflows in the CBookBase::SetDefTableStyle and CBookBase::SetDefPivotStyle functions. As a temporary workaround, consider avoiding the use of these functions or restricting the opening of .cell files from untrusted sources until a patch is available.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2016-4293

Affected Products

Hancom Office

References · 4

• 🔥 http://talosintelligence.com/reports/TALOS-2016-0148 · Exploit
• https://osv.dev/vulnerability/CVE-2016-4293 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-4293 · Security Note
• http://securityfocus.com/bid/92327 · Note