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CVE-2022-4066— davidmoreno onion Log response.c onion_response_flush allocation of resources

Quick assessment

Affected
davidmoreno onion
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.

Onion http server library是David Moreno Montero个人开发者的一个 C 库。用于创建简单的 HTTP 服务器和 Web 应用程序。 Onion 存在安全漏洞，该漏洞源于组件Log Handler中src/onion/response.c文件的onion_response_flush函数受到影响，可能导致资源分配。

CVSS 3.5 · Low EPSS 1.13% · P64

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-4066

Vulnerability Information
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Vulnerability Title
davidmoreno onion Log response.c onion_response_flush allocation of resources
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in davidmoreno onion. It has been rated as problematic. Affected by this issue is the function onion_response_flush of the file src/onion/response.c of the component Log Handler. The manipulation leads to allocation of resources. The name of the patch is de8ea938342b36c28024fd8393ebc27b8442a161. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-214028.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
Onion 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Onion http server library是David Moreno Montero个人开发者的一个 C 库。用于创建简单的 HTTP 服务器和 Web 应用程序。 Onion 存在安全漏洞，该漏洞源于组件Log Handler中src/onion/response.c文件的onion_response_flush函数受到影响，可能导致资源分配。
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
davidmoreno onion n/a -

II. Public POCs for CVE-2022-4066

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III. Intelligence Information for CVE-2022-4066

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Patches & Fixes for CVE-2022-4066 (2)

Vendor Advisories for CVE-2022-4066 (1)

IV. Related Vulnerabilities

Same weakness: CWE-404

V. Comments for CVE-2022-4066

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