PT-2023-8033 · Hancom · Hancom Office Cell

Published 2023-11-17 · Updated 2025-08-14 · CVE-2023-50234

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 Cell (affected versions not specified)

Description This issue allows remote attackers to execute arbitrary code on affected installations of Hancom Office Cell. User interaction is required to exploit this, where the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of XLS files due to 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 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

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2024-00010

CVE-2023-50234

ZDI-23-1856

Affected Products

Hancom Office Cell

References · 7

• https://osv.dev/vulnerability/CVE-2023-50234 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-1856 · Security Note
• https://bdu.fstec.ru/vul/2024-00010 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-50234 · Security Note
• https://t.me/cveNotify/132277 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023122227 · Note
• https://twitter.com/CVEnew/status/1786408583887724854 · Twitter Post