CVE-2021-23543— Sandbox Bypass
Quick assessment
Affected
n/a realms-shim
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.
Realm Shim是此文件夹包含Realm API Proposal的 shim 实现。 Realm Shim 存在安全漏洞，该漏洞允许攻击者通过原型污染攻击向量进行沙盒绕过。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23543
Vulnerability Information
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Vulnerability Title
Sandbox Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Realm Shim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Realm Shim是此文件夹包含Realm API Proposal的 shim 实现。 Realm Shim 存在安全漏洞，该漏洞允许攻击者通过原型污染攻击向量进行沙盒绕过。
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 |
|---|---|---|---|---|
| - | realms-shim | 0 ~ unspecified | - |
|
II. Public POCs for CVE-2021-23543
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-23543 (1)
-
https://snyk.io/vuln/SNYK-JS-REALMSSHIM-2309908 x_refsource_MISC
Other References for CVE-2021-23543 (1)
-
https://www.npmjs.com/package/realms-shim x_refsource_MISC
Same Patch Batch · n/a · 2022-01-07 · 37 CVEs total
| CVE-2021-23594 | 9.8 CRITICAL | Sandbox Bypass |
| CVE-2021-23568 | 7.3 HIGH | Prototype Pollution |
| CVE-2021-40041 | Huawei WS318n 跨站脚本漏洞 | |
| CVE-2022-22702 | PartKeepr 代码问题漏洞 | |
| CVE-2021-46048 | Binaryen 安全漏洞 | |
| CVE-2021-46050 | Binaryen 缓冲区错误漏洞 | |
| CVE-2021-46052 | Binaryen 安全漏洞 | |
| CVE-2021-46053 | Binaryen 缓冲区错误漏洞 | |
| CVE-2021-46054 | Binaryen 安全漏洞 | |
| CVE-2021-46055 | Binaryen 安全漏洞 | |
| CVE-2021-30360 | Enterprise Endpoint Security 代码问题漏洞 | |
| CVE-2021-40011 | Huawei Smartphone 资源管理错误漏洞 | |
| CVE-2021-40010 | HUAWEI HarmonyOS 缓冲区错误漏洞 | |
| CVE-2021-39993 | Huawei Smartphone 输入验证错误漏洞 | |
| CVE-2021-39998 | Huawei HarmonyOS和Huawei HarmonyOS Wearables 安全漏洞 | |
| CVE-2021-39996 | Huawei HarmonyOS Wearables 缓冲区错误漏洞 | |
| CVE-2022-21823 | Ivanti Workspace Control 安全漏洞 | |
| CVE-2021-22060 | Vmware Spring Framework 安全漏洞 | |
| CVE-2021-44528 | Rails Action Pack 输入验证错误漏洞 | |
| CVE-2021-46146 | MediaWiki 跨站脚本漏洞 |
Showing top 20 of 37 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: realms-shim
V. Comments for CVE-2021-23543
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