PT-2023-8270 · Hancom · Hancom Office Word

Published 2023-11-17 · Updated 2025-08-14 · CVE-2023-51598

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Hancom Office Word (affected versions not specified)

Description This issue allows remote attackers to execute arbitrary code on affected installations of Hancom Office Word. It requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw exists within the parsing of DOC files due to the lack of validation of an object's existence before performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2024-00332

CVE-2023-51598

ZDI-23-1855

Affected Products

Hancom Office Word

References · 9

• https://zerodayinitiative.com/advisories/ZDI-23-1855 · Security Note
• https://osv.dev/vulnerability/CVE-2023-51598 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00332 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-51598 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/702958 · Security Note
• https://safe-surf.ru/upload/VULN-new/VULN.2023-12-22.1.pdf · Security Note
• https://t.me/cveNotify/132186 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023122227 · Note
• https://twitter.com/CVEnew/status/1786223086066626747 · Twitter Post