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CVE-2024-21524

Quick assessment

Affected
n/a node-stringbuilder
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

StringBuilder for Node.js是Magic Len个人开发者的一个简单快速的 Node.js 内存字符串生成器。 StringBuilder for Node.js存在安全漏洞，该漏洞源于内存长度计算不正确，容易受到越界读取的影响，从而导致信息泄露。

CVSS 8.2 · High EPSS 0.82% · P56

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2024-21524

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
All versions of the package node-stringbuilder are vulnerable to Out-of-bounds Read due to incorrect memory length calculation, by calling ToBuffer, ToString, or CharAt on a StringBuilder object with a non-empty string value input. It's possible to return previously allocated memory, for example, by providing negative indexes, leading to an Information Disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
StringBuilder for Node.js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
StringBuilder for Node.js是Magic Len个人开发者的一个简单快速的 Node.js 内存字符串生成器。 StringBuilder for Node.js存在安全漏洞，该漏洞源于内存长度计算不正确，容易受到越界读取的影响，从而导致信息泄露。
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
- node-stringbuilder 0 ~ * -

II. Public POCs for CVE-2024-21524

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8240 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2024-21524

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Other References for CVE-2024-21524 (2)

Same Patch Batch · n/a · 2024-07-10 · 23 CVEs total

CVE-2024-21525 8.3 HIGH node-twain 安全漏洞
CVE-2024-21521 7.5 HIGH opus 安全漏洞
CVE-2024-21526 7.5 HIGH node-speaker 安全漏洞
CVE-2024-21522 7.5 HIGH Audify.js 安全漏洞
CVE-2024-21523 7.5 HIGH node-images 安全漏洞
CVE-2024-6647 4.7 MEDIUM Croogo Setting Theme unrestricted upload
CVE-2024-40412 Tenda AX12 安全漏洞
CVE-2024-40417 Tenda AX1806 安全漏洞
CVE-2024-25077 多款Renesas产品 安全漏洞
CVE-2024-25076 多款Renesas产品 安全漏洞
CVE-2024-37770 14Finger 安全漏洞
CVE-2024-40332 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40328 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40331 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40334 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40333 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40329 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-40336 Net Titanium Technology idcCMS 安全漏洞
CVE-2024-38875 Django 安全漏洞
CVE-2024-39330 Django 安全漏洞

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2024-21524

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