CVE-2022-33896

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published10/7/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

hancom:hancom_office_2020

Weaknesses (CWE)

CWE-124

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574(talos-cna@cisco.com)

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1574(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.