CVE-2021-42521
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I. Basic Information for CVE-2021-42521
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
There is a NULL pointer dereference vulnerability in VTK before 9.2.5, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the return value of libxml2 API 'xmlDocGetRootElement', and try to dereference it. It is unsafe as the return value can be NULL and that NULL pointer dereference may crash the application.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
VTK 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VTK是一个用于图像处理、3D 图形、体绘制和可视化的开源软件系统。 VTK存在代码问题漏洞，该漏洞源于其IO/Infovis/vtkXMLTreeReader.cxx组件没有检查libxml2 API “xmlDocGetRootElement”的返回值并试图解除对它的引用可能会造成空指针引用导致应用程序崩溃。
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 |
|---|---|---|---|---|
| - | vtk | VTK - 9.0.0 and before | - |
II. Public POCs for CVE-2021-42521
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2022-08-25 · 214 CVEs total
| CVE-2022-37317 | 7.6 HIGH | Archer Platform 跨站脚本漏洞 |
| CVE-2022-37318 | 7.0 HIGH | Archer Platform 跨站脚本漏洞 |
| CVE-2022-37316 | 6.5 MEDIUM | Archer Platform 安全漏洞 |
| CVE-2022-37240 | Alt-N MDaemon 注入漏洞 | |
| CVE-2022-37817 | Tenda AX1803 缓冲区错误漏洞 | |
| CVE-2022-37824 | Tenda AX1803 缓冲区错误漏洞 | |
| CVE-2022-37814 | Tenda AC1206 缓冲区错误漏洞 | |
| CVE-2022-37820 | Tenda AX1803 缓冲区错误漏洞 | |
| CVE-2022-37816 | Tenda AC1206 缓冲区错误漏洞 | |
| CVE-2022-37822 | Tenda AX1803 缓冲区错误漏洞 | |
| CVE-2022-37245 | Alt-N MDaemon 跨站脚本漏洞 | |
| CVE-2022-37244 | Alt-N MDaemon 跨站脚本漏洞 | |
| CVE-2022-37243 | Alt-N MDaemon 跨站脚本漏洞 | |
| CVE-2022-37242 | Alt-N MDaemon 注入漏洞 | |
| CVE-2022-37241 | Alt-N MDaemon 跨站脚本漏洞 | |
| CVE-2022-2255 | mod_wsgi 数据伪造问题漏洞 | |
| CVE-2022-37160 | Claroline 跨站脚本漏洞 | |
| CVE-2022-2991 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2022-23235 | Netapp Active IQ Unified Manager 信息泄露漏洞 | |
| CVE-2022-37159 | Claroline 代码问题漏洞 |
Showing top 20 of 214 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-42521
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