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CVE-2024-35242— Composer vulnerable to command injection via malicious git/hg branch names

Quick assessment

Affected
composer composer
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.

composer是一个应用软件。提供一个声明，管理和安装PHP项目的依赖项。 composer 2.2.24 和 2.7.7 之前版本存在安全漏洞，该漏洞源于具有特制分支名称的 git/hg 存储库中运行的 composer install 命令可能会导致命令注入。

CVSS 8.8 · High EPSS 3.28% · P88

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2024-35242

Vulnerability Information
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Vulnerability Title
Composer vulnerable to command injection via malicious git/hg branch names
Source: CVE Program / CVE List V5
Vulnerability Description
Composer is a dependency manager for PHP. On the 2.x branch prior to versions 2.2.24 and 2.7.7, the `composer install` command running inside a git/hg repository which has specially crafted branch names can lead to command injection. This requires cloning untrusted repositories. Patches are available in version 2.2.24 for 2.2 LTS or 2.7.7 for mainline. As a workaround, avoid cloning potentially compromised repositories.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
composer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
composer是一个应用软件。提供一个声明，管理和安装PHP项目的依赖项。 composer 2.2.24 和 2.7.7 之前版本存在安全漏洞，该漏洞源于具有特制分支名称的 git/hg 存储库中运行的 composer install 命令可能会导致命令注入。
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
composer composer >= 2.0, < 2.2.24 -

II. Public POCs for CVE-2024-35242

# POC Description Source Link Shenlong Link
1 A test repository for the vulnerability CVE-2024-35242's PoC https://github.com/KKkai0315/CVE-2024-35242 POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9122 chars
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III. Intelligence Information for CVE-2024-35242

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Patches & Fixes for CVE-2024-35242 (2)

Vendor Advisories for CVE-2024-35242 (1)

Mailing List Discussions for CVE-2024-35242 (2)

IV. Related Vulnerabilities

Same product: composer
Same vendor: composer
Same weakness: CWE-77

V. Comments for CVE-2024-35242

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