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You are here: Home / News / Pengguna Chrome menghadapi 3 masalah keamanan selama 24 jam terakhir

Pengguna Chrome menghadapi 3 masalah keamanan selama 24 jam terakhir

February 8, 2021 by Winnie the Pooh

Pengguna browser Google Chrome telah menghadapi tiga masalah keamanan selama 24 jam terakhir dalam bentuk ekstensi jahat dengan lebih dari 2 juta pengguna, zero-day yang baru saja diperbaiki, dan informasi baru tentang bagaimana malware dapat menyalahgunakan fitur sinkronisasi Chrome untuk melewati firewall.

Pertama, Great Suspender, sebuah ekstensi dengan lebih dari 2 juta unduhan dari Toko Web Chrome, telah ditarik dari server Google dan dihapus dari komputer pengguna.

Seperti yang dilaporkan di utas GitHub pada bulan November, pengembang ekstensi asli menjual Great Suspender pada Juni lalu, dan mulai menunjukkan tanda-tanda kejahatab di bawah kepemilikan baru. Secara khusus, kata utas, versi baru berisi kode berbahaya yang melacak pengguna dan memanipulasi permintaan Web.

Selanjutnya, Google pada hari Kamis merilis pembaruan Chrome yang memperbaiki kerentanan zero-day. Dilacak sebagai CVE-2021-21148, kerentanan ini berasal dari bug buffer overflow di V8, mesin JavaScript open source Google. Google menetapkan tingkat keparahannya sebagai “tinggi”.

Namun, dalam sebuah posting yang diterbitkan oleh firma keamanan Tenable, para peneliti mencatat bahwa kerentanan itu dilaporkan ke Google pada 24 Januari, satu hari sebelum kelompok analisis ancaman Google mengeluarkan laporan bahwa peretas yang disponsori oleh negara-bangsa menggunakan situs web jahat untuk menginfeksi peneliti keamanan dengan malware.

Terakhir, seorang peneliti keamanan melaporkan pada hari Kamis bahwa peretas menggunakan malware yang menyalahgunakan fitur sinkronisasi Chrome untuk melewati firewall sehingga malware dapat terhubung ke server perintah dan kontrol.

Sinkronisasi memungkinkan pengguna untuk berbagi bookmark, tab browser, ekstensi, dan sandi di berbagai perangkat yang menjalankan Chrome.

Seorang juru bicara Google mengatakan bahwa pengembang tidak akan mengubah fitur sinkronisasi karena serangan lokal secara fisik (artinya serangan yang melibatkan penyerang yang memiliki akses ke komputer) secara eksplisit berada di luar model ancaman Chrome.

Sumber: Ars Technica

Tagged With: Browser, Chrome, Cyber Security, Google, Security, Vulnerabilities, Zero Day

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