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CVE-2022-33896

Quick assessment

Affected
Hancom Hancom Office 2020
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hancom Office是韩国Hancom公司的一款移动办公程序。该程序支持查看和编辑多种格式的文档。 Hancom Office 2020 存在安全漏洞，该漏洞源于Hword在解析基于XML的办公文件时存在缓冲区溢出。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-33896

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区下溢
Source: CVE Program / CVE List V5
Vulnerability Title
Hancom Office 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hancom Office是韩国Hancom公司的一款移动办公程序。该程序支持查看和编辑多种格式的文档。 Hancom Office 2020 存在安全漏洞，该漏洞源于Hword在解析基于XML的办公文件时存在缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hancom Hancom Office 2020 Hancom Office 2020 11.0.0.5357 -

II. Public POCs for CVE-2022-33896

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III. Intelligence Information for CVE-2022-33896

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Other References for CVE-2022-33896 (1)

IV. Related Vulnerabilities

Same product: Hancom Office 2020
Same vendor: Hancom
Same weakness: CWE-124

V. Comments for CVE-2022-33896

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