Stack-based buffer overflow in Hancom Office - CVE-2023-50234
Published: December 22, 2023
Vulnerability identifier: #VU84702
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-50234
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing XLS files. A remote attacker can trick the victim to open a specially crafted XLS file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Hancom Office
How to mitigate CVE-2023-50234
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.