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.
Published: 2022-10-07
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-36933 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.
History

Tue, 15 Apr 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Hancom Hancom Office 2020
cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-04-15T18:49:15.593Z

Reserved: 2022-07-05T00:00:00.000Z

Link: CVE-2022-33896

cve-icon Vulnrichment

Updated: 2024-08-03T08:09:22.670Z

cve-icon NVD

Status : Modified

Published: 2022-10-07T15:15:15.553

Modified: 2024-11-21T07:08:33.270

Link: CVE-2022-33896

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses