CVE-2022-21803— Prototype Pollution
Quick assessment
Affected
n/a nconf
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.
nconf是TOML 格式的插件。 nconf 0.11.4 之前存在安全漏洞，该漏洞源于负责设置配置属性的 .set() 函数容易受到原型污染。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-21803
Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.
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
nconf 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
nconf是TOML 格式的插件。 nconf 0.11.4 之前存在安全漏洞，该漏洞源于负责设置配置属性的 .set() 函数容易受到原型污染。
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 |
|---|---|---|---|---|
| - | nconf | unspecified ~ 0.11.4 | - |
|
II. Public POCs for CVE-2022-21803
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-21803 (1)
-
https://github.com/indexzero/nconf/pull/397 x_refsource_MISC
Vendor Advisories for CVE-2022-21803 (2)
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2632450 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-JS-NCONF-2395478 x_refsource_MISC
Other References for CVE-2022-21803 (1)
-
https://github.com/indexzero/nconf/releases/tag/v0.11.4 x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2022-21803
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