CVE-2021-21958
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I. Basic Information for CVE-2021-21958
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hancom Office 缓冲区错误漏洞
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 11.0.0.2353版本存在缓冲区错误漏洞，该漏洞源于Hword HwordApp.dll功能存在基于堆的缓冲区溢出漏洞。一个特别制作的畸形文件可能导致内存损坏和潜在的任意代码执行。攻击者可以提供一个恶意文件来触发此漏洞。
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 11.0.0.2353 | - |
II. Public POCs for CVE-2021-21958
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-02-16 · 50 CVEs total
| CVE-2021-23682 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-3760 | Linux kernel 资源管理错误漏洞 | |
| CVE-2022-25265 | Linux kernel 安全漏洞 | |
| CVE-2022-24984 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2022-24985 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2022-22880 | Jeecg-boot 安全漏洞 | |
| CVE-2022-22881 | Jeecg-Boot SQL注入漏洞 | |
| CVE-2022-22885 | Hutool 安全漏洞 | |
| CVE-2022-24983 | JqueryForm.com Jquery Form Builder 安全漏洞 | |
| CVE-2021-3578 | Sourceforge mbsync 代码问题漏洞 | |
| CVE-2021-3773 | netfilter 信息泄露漏洞 | |
| CVE-2021-3752 | Linux kernel 竞争条件问题漏洞 | |
| CVE-2022-22853 | Sourcecodester Hospital Patient Records Management System 跨站脚本漏洞 | |
| CVE-2022-22945 | VMware NSX-T 操作系统命令注入漏洞 | |
| CVE-2022-23804 | KiCad Eda 缓冲区错误漏洞 | |
| CVE-2022-23803 | KiCad Eda 缓冲区错误漏洞 | |
| CVE-2021-21966 | Texas Instruments Cc3200 SimpleLink Solution Nwp 环境问题漏洞 | |
| CVE-2021-39300 | Hp Uefi 安全漏洞 | |
| CVE-2021-39299 | Hp Uefi 安全漏洞 | |
| CVE-2021-39301 | Hp Uefi 安全漏洞 |
Showing top 20 of 50 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-21958
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