• Skip to main content

Naga Cyber Defense

Trusted Security for all of Indonesia

  • Home
  • About
  • Programs
  • Contact
  • Blog
You are here: Home / News / Fitur PyPI Mengeksekusi Kode Secara Otomatis Setelah Unduhan Paket Python

Fitur PyPI Mengeksekusi Kode Secara Otomatis Setelah Unduhan Paket Python

September 8, 2022 by Eevee

Dalam temuan lain yang dapat mengekspos pengembang pada peningkatan risiko serangan supply chain (rantai pasokan), telah muncul bahwa hampir sepertiga dari paket di PyPI, Indeks Paket Python, memicu eksekusi kode otomatis setelah mengunduhnya.

Salah satu cara menginstal paket untuk Python adalah dengan menjalankan perintah “pip install”, yang, pada gilirannya, memanggil file bernama “setup.py” yang disertakan bersama modul.

“setup.py,” seperti namanya, adalah skrip penyiapan yang digunakan untuk menentukan metadata yang terkait dengan paket, termasuk dependensinya.

Sementara pelaku ancaman telah menggunakan kode berbahaya dalam file setup.py, Checkmarx menemukan bahwa musuh dapat mencapai tujuan yang sama dengan menjalankan apa yang disebut perintah “pip download”.

“pip download melakukan resolusi dan pengunduhan yang sama dengan pemasangan pip, tetapi alih-alih menginstal dependensi, ia mengumpulkan distribusi yang diunduh ke direktori yang disediakan (secara default ke direktori saat ini),” tulis dokumentasi.

Dengan kata lain, perintah tersebut dapat digunakan untuk mengunduh paket Python tanpa harus menginstalnya di sistem. Tetapi ternyata, menjalankan perintah unduhan juga menjalankan skrip “setup.py” yang disebutkan di atas, yang mengakibatkan eksekusi kode berbahaya yang terkandung di dalamnya.

Namun, perlu diperhatikan bahwa masalah hanya terjadi ketika paket berisi file tar.gz alih-alih file wheel (.whl), yang “memotong eksekusi ‘setup.py’ dari persamaan.”

Meskipun pip default untuk menggunakan roda alih-alih file tar.gz, penyerang dapat memanfaatkan perilaku ini untuk secara sengaja menerbitkan paket python tanpa file .whl, yang mengarah ke eksekusi kode berbahaya yang ada di skrip pengaturan.

“Ketika pengguna mengunduh paket python dari PyPi, pip akan lebih memilih menggunakan file .whl, tetapi akan kembali ke file tar.gz jika file .whl tidak ada,” kata Gelb.

Temuan itu muncul saat Badan Keamanan Nasional AS (NSA), bersama dengan Badan Keamanan Siber dan Infrastruktur (CISA) dan Kantor Direktur Intelijen Nasional (ODNI), merilis panduan untuk mengamankan supply chain perangkat lunak.

Sumber: The Hackernews

Tagged With: PyPI, Python

Copyright © 2025 · Naga Cyber Defense · Sitemap

Cookies Settings
We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept”, you consent to the use of ALL the cookies.
Do not sell my personal information.
AcceptReject AllCookie Settings
Manage consent

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
CookieDurationDescription
_ga2 yearsThe _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors.
_gat_gtag_UA_172707709_11 minuteSet by Google to distinguish users.
_gid1 dayInstalled by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
non-necessary
SAVE & ACCEPT
Powered by CookieYes Logo