CVE-2021-23682— Prototype Pollution
Quick assessment
Affected
n/a litespeed.js
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.
litespeed.js是一个精简和快速的微型 JavaScript 框架。 litespeed.js 0.3.12之前版本存在安全漏洞，该漏洞源于getJsonFromUrl函数中解析查询字符串时，在结果对象中设置的键没有得到适当的清理，从而导致Prototype Pollution漏洞。
Possible ATT&CK Techniques 2 AI
T1127 · Trusted Developer Utilities Proxy Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23682
Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package litespeed.js before 0.3.12; the package appwrite/server-ce from 0.12.0 and before 0.12.2, before 0.11.1. When parsing the query string in the getJsonFromUrl function, the key that is set in the result object is not properly sanitized leading to a Prototype Pollution vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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
litespeed.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
litespeed.js是一个精简和快速的微型 JavaScript 框架。 litespeed.js 0.3.12之前版本存在安全漏洞，该漏洞源于getJsonFromUrl函数中解析查询字符串时，在结果对象中设置的键没有得到适当的清理，从而导致Prototype Pollution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 |
|---|---|---|---|---|
| - | litespeed.js | unspecified ~ 0.3.12 | - |
|
| - | appwrite/server-ce | 0.12.0 ~ unspecified | - |
|
II. Public POCs for CVE-2021-23682
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-23682 (2)
-
https://snyk.io/vuln/SNYK-PHP-APPWRITESERVERCE-2401820 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-JS-LITESPEEDJS-2359250 x_refsource_MISC
Other References for CVE-2021-23682 (2)
-
https://github.com/appwrite/appwrite/releases/tag/0.12.2 x_refsource_MISC
-
https://github.com/appwrite/appwrite/releases/tag/0.11.1 x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2021-23682
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