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CVE-2024-42471— Arbitrary File Write via artifact extraction in actions/artifact

Quick assessment

Affected
actions toolkit
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.

GitHub Actions Toolkit是GitHub Actions开源的一个 Github 操作工具包。 GitHub Actions Toolkit 2.1.7之前版本存在安全漏洞。攻击者利用该漏洞可以读取运行应用程序的服务器上的任意文件。

CVSS 7.3 · High EPSS 3.22% · P88

Public Exploits 1

ExploitDB · 1 EDB-52276 [local]

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2024-42471

Vulnerability Information
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Vulnerability Title
Arbitrary File Write via artifact extraction in actions/artifact
Source: CVE Program / CVE List V5
Vulnerability Description
actions/artifact is the GitHub ToolKit for developing GitHub Actions. Versions of `actions/artifact` on the 2.x branch before 2.1.2 are vulnerable to arbitrary file write when using `downloadArtifactInternal`, `downloadArtifactPublic`, or `streamExtractExternal` for extracting a specifically crafted artifact that contains path traversal filenames. Users are advised to upgrade to version 2.1.2 or higher. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
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
GitHub Actions Toolkit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitHub Actions Toolkit是GitHub Actions开源的一个 Github 操作工具包。 GitHub Actions Toolkit 2.1.7之前版本存在安全漏洞。攻击者利用该漏洞可以读取运行应用程序的服务器上的任意文件。
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
actions toolkit >= 2.0.0, < 2.1.2 -

II. Public POCs for CVE-2024-42471

# POC Description Source Link Shenlong Link
1 unzip-stream file write/overwrite vulnerability https://github.com/theMcSam/CVE-2024-42471-PoC POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8387 chars
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III. Intelligence Information for CVE-2024-42471

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Patches & Fixes for CVE-2024-42471 (1)

Vendor Advisories for CVE-2024-42471 (1)

IV. Related Vulnerabilities

Same product: toolkit
Same vendor: actions
Same weakness: CWE-22

V. Comments for CVE-2024-42471

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