CVE-2023-51598

Hancom Office Word DOC File Parsing Use-After-Free Remote Code Execution Vulnerability

Published May 3, 2024 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-56310 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.
History
Type Values Removed Values Added
First Time appeared Hancom
Hancom office Word
CPEs cpe:2.3:a:hancom:office_word:11.0.0.6914:*:*:*:*:*:*:*
Vendors & Products Hancom
Hancom office Word
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Aug 2, 2024, 10:40 PM
Reserved
Dec 20, 2023, 8:38 PM
Status
Analyzed
Published
May 3, 2024, 3:16 AM
Modified
Jun 17, 2026, 6:41 AM