CVE-2021-23438— Prototype Pollution
Quick assessment
Affected
n/a mpath
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.
mpath module是一款使用类似MongoDB的路径表示法获取/设置javascript对象值的模块。 mpath module 0.8.4 之前存在安全漏洞，该漏洞源于类型混淆，如果输入是数组，则调用的方法是 Array.prototype.indexOf() 而不是 String.prototype.indexOf()。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23438
Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package mpath before 0.8.4. A type confusion vulnerability can lead to a bypass of CVE-2018-16490. In particular, the condition ignoreProperties.indexOf(parts[i]) !== -1 returns -1 if parts[i] is ['__proto__']. This is because the method that has been called if the input is an array is Array.prototype.indexOf() and not String.prototype.indexOf(). They behave differently depending on the type of the input.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
mpath module 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mpath module是一款使用类似MongoDB的路径表示法获取/设置javascript对象值的模块。 mpath module 0.8.4 之前存在安全漏洞，该漏洞源于类型混淆，如果输入是数组，则调用的方法是 Array.prototype.indexOf() 而不是 String.prototype.indexOf()。
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 |
|---|---|---|---|---|
| - | mpath | unspecified ~ 0.8.4 | - |
|
II. Public POCs for CVE-2021-23438
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-23438 (1)
Vendor Advisories for CVE-2021-23438 (2)
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https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1579548 x_refsource_MISC
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Same Patch Batch · n/a · 2021-09-01 · 37 CVEs total
| CVE-2021-23427 | 8.6 HIGH | Arbitrary File Write via Archive Extraction (Zip Slip) |
| CVE-2021-23428 | 8.6 HIGH | Directory Traversal |
| CVE-2021-23426 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2021-23436 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2021-39378 | Open Solutions For Education openSIS SQL注入漏洞 | |
| CVE-2021-40350 | Christie Digital DWU850-GS 授权问题漏洞 | |
| CVE-2021-35508 | TeraRecon AQNetClient安全漏洞 | |
| CVE-2021-39379 | Open Solutions For Education openSIS SQL注入漏洞 | |
| CVE-2021-39377 | Open Solutions For Education openSIS SQL注入漏洞 | |
| CVE-2021-39373 | Samsung H3安全漏洞 | |
| CVE-2021-40378 | comppro IP70 安全漏洞 | |
| CVE-2021-40352 | OpenEMR 日志信息泄露漏洞 | |
| CVE-2021-38703 | KPN Experia WiFi 安全漏洞 | |
| CVE-2020-9002 | iPortalis 输入验证错误漏洞 | |
| CVE-2020-9000 | iPortalis 资源管理错误漏洞 | |
| CVE-2021-33582 | Cyrus IMAP 加密问题漏洞 | |
| CVE-2021-37415 | ZOHO ManageEngine ServiceDesk Plus 访问控制错误漏洞 | |
| CVE-2021-36235 | Ivanti Workspace Control 授权问题漏洞 | |
| CVE-2021-40353 | Open Solutions For Education openSIS SQL注入漏洞 | |
| CVE-2020-20341 | Yzmcms 代码问题漏洞 |
Showing top 20 of 37 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: mpath
V. Comments for CVE-2021-23438
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