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CVE-2022-43634

Quick assessment

Affected
Netatalk Netatalk
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netatalk是一款开源软件，为 Classic Mac OS 和 macOS 在 Unix-like OS 上提供 AFP 文件服务器功能。 Netatalk存在安全漏洞，该漏洞源于在将用户提供的数据复制到固定长度的基于堆的缓冲区之前，没有对用户提供的数据的长度进行适当的验证。攻击者利用该漏洞在root环境中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 18.90% · P97

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-43634

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dsi_writeinit function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-17646.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Netatalk安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netatalk是一款开源软件，为 Classic Mac OS 和 macOS 在 Unix-like OS 上提供 AFP 文件服务器功能。 Netatalk存在安全漏洞，该漏洞源于在将用户提供的数据复制到固定长度的基于堆的缓冲区之前，没有对用户提供的数据的长度进行适当的验证。攻击者利用该漏洞在root环境中执行代码。
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
Netatalk Netatalk 3.1.13 -

II. Public POCs for CVE-2022-43634

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III. Intelligence Information for CVE-2022-43634

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Patches & Fixes for CVE-2022-43634 (1)

Vendor Advisories for CVE-2022-43634 (2)

Mailing List Discussions for CVE-2022-43634 (4)

IV. Related Vulnerabilities

Same product: Netatalk
Same vendor: Netatalk
Same weakness: CWE-122

V. Comments for CVE-2022-43634

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