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CVE-2024-45593— Nix affected by unsafe NAR unpacking

Quick assessment

Affected
NixOS nix
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.

Nix是Nix开源的一个强大的包管理器。用于制作包。 Nix 2.24.0至2.24.5版本存在安全漏洞，该漏洞源于允许替代者或恶意用户制作NAR,导致有权访问任意文件系统位置。

CVSS 9.1 · Critical EPSS 0.60% · P46

Possible ATT&CK Techniques 1 AI

T1030 · Data Transfer Size Limits
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I. Basic Information for CVE-2024-45593

Vulnerability Information
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Vulnerability Title
Nix affected by unsafe NAR unpacking
Source: CVE Program / CVE List V5
Vulnerability Description
Nix is a package manager for Linux and other Unix systems. A bug in Nix 2.24 prior to 2.24.6 allows a substituter or malicious user to craft a NAR that, when unpacked by Nix, causes Nix to write to arbitrary file system locations to which the Nix process has access. This will be with root permissions when using the Nix daemon. This issue is fixed in Nix 2.24.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Nix 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nix是Nix开源的一个强大的包管理器。用于制作包。 Nix 2.24.0至2.24.5版本存在安全漏洞，该漏洞源于允许替代者或恶意用户制作NAR,导致有权访问任意文件系统位置。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
NixOS nix >= 2.24.0, < 2.24.6 -

II. Public POCs for CVE-2024-45593

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III. Intelligence Information for CVE-2024-45593

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Patches & Fixes for CVE-2024-45593 (1)

Vendor Advisories for CVE-2024-45593 (1)

IV. Related Vulnerabilities

Same product: nix
Same vendor: NixOS
Same weakness: CWE-22

V. Comments for CVE-2024-45593

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