CVE-2021-22038
Quick assessment
Affected
n/a VMware InstallBuilder
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.
Vmware InstallBuilder是美国威睿（Vmware）公司的一款多平台安装程序开发和自动更新工具。 InstallBuilder 存在安全漏洞，该漏洞源于在某些情况下在InstallBuilder Windows版本上，卸载程序二进制文件将自己复制到一个固定的临时位置，然后执行该位置。这个临时位置不是随机的，也不限制只对管理员的访问，因此潜在的攻击者可利用该漏洞在调用软件之前植入一个二进制文件来替换复制的二进制文件，从而获得管理员权限。
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I. Basic Information for CVE-2021-22038
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On Windows, the uninstaller binary copies itself to a fixed temporary location, which is then executed (the originally called uninstaller exits, so it does not block the installation directory). This temporary location is not randomized and does not restrict access to Administrators only so a potential attacker could plant a binary to replace the copied binary right before it gets called, thus gaining Administrator privileges (if the original uninstaller was executed as Administrator). The vulnerability only affects Windows installers.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
InstallBuilder安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vmware InstallBuilder是美国威睿（Vmware）公司的一款多平台安装程序开发和自动更新工具。 InstallBuilder 存在安全漏洞，该漏洞源于在某些情况下在InstallBuilder Windows版本上，卸载程序二进制文件将自己复制到一个固定的临时位置，然后执行该位置。这个临时位置不是随机的，也不限制只对管理员的访问，因此潜在的攻击者可利用该漏洞在调用软件之前植入一个二进制文件来替换复制的二进制文件，从而获得管理员权限。
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 |
|---|---|---|---|---|
| - | VMware InstallBuilder | All InstallBuilder versions prior to version 21.6.0 | - |
|
II. Public POCs for CVE-2021-22038
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2021-22038 (1)
Same Patch Batch · n/a · 2021-10-29 · 19 CVEs total
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| CVE-2020-25873 | baijiacms 路径遍历漏洞 | |
| CVE-2020-25872 | FrogCms 路径遍历漏洞 | |
| CVE-2021-41746 | Yonyou TurboCrm SQL注入漏洞 | |
| CVE-2021-41646 | Online Reviewer System 代码问题漏洞 | |
| CVE-2021-41645 | Sourcecodester Budget and Expense Tracker System 代码问题漏洞 | |
| CVE-2021-41644 | Online Reviewer System 代码问题漏洞 | |
| CVE-2021-41643 | Online Reviewer System 代码问题漏洞 | |
| CVE-2020-22079 | Tenda AC-10U 缓冲区错误漏洞 | |
| CVE-2021-41675 | Sourcecodester E-Negosyo System 代码问题漏洞 | |
| CVE-2021-41674 | Pharmacy Point Of Sale System SQL注入漏洞 | |
| CVE-2021-3441 | Hp OfficeJet 7110 Wide Format Eprinter 跨站脚本漏洞 | |
| CVE-2021-3662 | HP LaserJet Enterprise 跨站脚本漏洞 | |
| CVE-2021-22037 | InstallBuilder代码问题漏洞 | |
| CVE-2021-31862 | Sysaid Technologies SysAid 跨站脚本漏洞 | |
| CVE-2021-31627 | Tenda AC9 安全漏洞 | |
| CVE-2021-31624 | Tenda AC9 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-22038
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