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Nut/Net

Peneliti Menemukan Cacat Keamanan Berbahaya dalam Kode yang Digunakan di Jutaan Perangkat

December 9, 2020 by Winnie the Pooh

Para peneliti di firma keamanan siber Forescout menerbitkan whitepaper baru pada hari Selasa yang merinci bagaimana 33 kelemahan keamanan yang dimasukkan ke dalam beberapa library kode yang banyak digunakan dapat memiliki konsekuensi bencana bagi jutaan perangkat yang terhubung ke internet, dari smart home dan teknologi industri, hingga perangkat di rumah sakit, pengecer, dan gedung federal.

Masalahnya di sini terletak pada empat bundel kode sumber terbuka yang terpisah: uIP, FNET, picoTCP, dan Nut/Net. Menambahkan salah satu library ini ke perangkat memungkinkannya untuk terhubung ke protokol komunikasi tertentu dan berkomunikasi dengan mesin lain.

Dan karena gratis untuk digunakan dan sepenuhnya open source, library ini menjadi sangat populer selama bertahun-tahun, yang merupakan keuntungan bagi pengembang yang ingin mengeluarkan perangkat ini dengan cepat dan murah. Ini juga berarti ketika jenis kerentanan ini terungkap (seperti yang terjadi di masa lalu), dampaknya jauh lebih dramatis.

“Amnesia: 33″ —sebagaimana tim secara kolektif menyebut kelompok kerentanan ini — belum dieksploitasi di alam liar sejauh yang mereka ketahui.

Meskipun demikian, penyerang yang cukup bertekad dengan jalur komunikasi yang jelas ke perangkat yang rentan dapat mengeksploitasi satu atau beberapa masalah ini dengan serangan denial-of-service, atau memaksa perangkat untuk membocorkan data internal yang berpotensi sensitif. Empat dari kelemahan keamanan yang lebih “kritis” membuka perangkat hingga eksekusi kode jarak jauh.

Sumber: Gizmodo

Tagged With: Cybersecurity, FNET, Library, Nut/Net, picoTCP, uIP, Vulnerability

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