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CVE-2022-33896

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CVE-2022-33896

Published: Oct 7, 2022

Modified: Apr 15, 2025

PUBLISHED

CVSS v3.0

7.8

HIGH

Description

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.

VendorProductVersions

Hancom

Hancom Office 2020

affected
Hancom Office 2020 11.0.0.5357

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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