Vulnerabilities > CVE-2022-33896 - Buffer Underflow vulnerability in Hancom Office 2020 11.0.0.5357

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
hancom
CWE-124

Summary

A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A specially-crafted malformed file can cause memory corruption by using memory before buffer start, which can lead to code execution. A victim would need to access a malicious file to trigger this vulnerability.

Vulnerable Configurations

Part Description Count
Application
Hancom
1

Common Weakness Enumeration (CWE)