CVE-2023-51598

Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Word. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of DOC files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20384.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zerodayinitiative.com/advisories/ZDI-23-1855/	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1855/	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hancom:office_word:11.0.0.6914:*:*:*:*:*:*:*

History

14 Aug 2025, 01:44

Type	Values Removed	Values Added
First Time		Hancom Hancom office Word
CPE		cpe:2.3:a:hancom:office_word:11.0.0.6914:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~7.0~~	v2 : unknown v3 : 8.8
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-23-1855/ -~~	() https://www.zerodayinitiative.com/advisories/ZDI-23-1855/ - Third Party Advisory

Information

Published : 2024-05-03 03:16

Updated : 2025-08-14 01:44

NVD link : CVE-2023-51598

Mitre link : CVE-2023-51598

CVE.ORG link : CVE-2023-51598

JSON object : View

Products Affected

hancom

office_word

CWE

CWE-416

Use After Free

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