CVE-2023-30798— MultipartParser DOS with too many fields or files in Starlette Framework
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2023-30798
Vulnerability Information
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Vulnerability Title
MultipartParser DOS with too many fields or files in Starlette Framework
Source: CVE Program / CVE List V5
Vulnerability Description
There MultipartParser usage in Encode's Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Starlette 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Starlette是Encode开源的一个轻量级的 ASGI 框架/工具包。非常适合用 Python 构建异步 web 服务。 Encode Starlette 0.25.0之前版本存在安全漏洞。攻击者利用该漏洞指定任意数量的表单字段或文件，导致内存使用过多，从而导致HTTP服务拒绝服务。
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
II. Public POCs for CVE-2023-30798
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Patches & Fixes for CVE-2023-30798 (1)
Vendor Advisories for CVE-2023-30798 (1)
Other References for CVE-2023-30798 (1)
- https://vulncheck.com/advisories/starlette-multipartparser-dosthird-party-advisory
IV. Related Vulnerabilities
Same product: Starlette
- CVE-2026-54283
Starlette: request.form() limits silently ignored for applic - CVE-2026-54282
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Starlette: SSRF and NTLM credential theft via UNC paths in S - CVE-2026-48710
Starlette has missing Host header validation that poisons re
Same vendor: Encode
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Django REST framework: AdminRenderer may disclose GET-protec - CVE-2026-73228
Django REST framework: Potential bypass of Django `DATA_UPLO - CVE-2025-54121
Starlette has possible denial-of-service vector when parsing - CVE-2024-47874
Starlette Denial of service (DoS) via multipart/form-data - CVE-2023-29159
Starlette 路径遍历漏洞
Same weakness: CWE-400
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V. Comments for CVE-2023-30798
Anonymous User
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