Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Cell. 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 XLS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20386.
History

Fri, 15 Aug 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Hancom
Hancom office Cell
CPEs cpe:2.3:a:hacom:office_cell:11.0.0.7123:*:*:*:*:*:*:* cpe:2.3:a:hancom:office_cell:11.0.0.7123:*:*:*:*:*:*:*
Vendors & Products Hacom
Hacom office Cell
Hancom
Hancom office Cell

Thu, 14 Aug 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Hacom
Hacom office Cell
Weaknesses CWE-787
CPEs cpe:2.3:a:hacom:office_cell:11.0.0.7123:*:*:*:*:*:*:*
Vendors & Products Hacom
Hacom office Cell
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2024-05-03T02:14:50.354Z

Updated: 2024-08-02T22:09:49.812Z

Reserved: 2023-12-05T16:15:17.545Z

Link: CVE-2023-50234

cve-icon Vulnrichment

Updated: 2024-08-02T22:09:49.812Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-03T03:16:12.590

Modified: 2025-08-15T20:45:54.927

Link: CVE-2023-50234

cve-icon Redhat

No data.