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Adobe ColdFusion 9

Geng Ransomware Cring Mengeksploitasi Bug ColdFusion Berusia 11 Tahun

September 23, 2021 by Winnie the Pooh

Pelaku ancaman tak dikenal melanggar server yang menjalankan perangkat lunak ColdFusion 9 versi 11 tahun yang belum ditambal dalam hitungan menit untuk mengambil alih kendali dari jarak jauh dan menyebarkan ransomware Cring di jaringan target 79 jam setelah peretasan.

Server, yang dimiliki oleh perusahaan layanan yang tidak disebutkan namanya, digunakan untuk mengumpulkan data absen dan akuntansi untuk penggajian serta untuk menampung sejumlah mesin virtual, menurut laporan yang diterbitkan oleh Sophos dan dibagikan dengan The Hacker News. Serangan tersebut berasal dari alamat internet yang ditetapkan untuk ISP Green Floid Ukraina.

Perusahaan perangkat lunak keamanan Inggris mengatakan “pembobolan cepat” dimungkinkan dengan mengeksploitasi instalasi Adobe ColdFusion 9 berusia 11 tahun yang berjalan pada Windows Server 2008, yang keduanya telah mencapai akhir masa pakainya (end-of-life).

Setelah mendapatkan pijakan awal, penyerang menggunakan berbagai metode canggih untuk menyembunyikan file mereka, menyuntikkan kode ke dalam memori, dan menutupi jejak mereka dengan menimpa file dengan data yang kacau, belum lagi melucuti produk keamanan dengan memanfaatkan fakta bahwa fungsi proteksi gangguan dimatikan.

Khususnya, musuh mengambil keuntungan dari CVE-2010-2861, satu set kerentanan traversal direktori di konsol administrator di Adobe ColdFusion 9.0.1 dan sebelumnya yang dapat disalahgunakan oleh penyerang jarak jauh untuk membaca file apapun, seperti yang berisi hash kata sandi administrator (“password.properties”).

Pada tahap berikutnya, aktor jahat diyakini telah mengeksploitasi kerentanan lain di ColdFusion, CVE-2009-3960, untuk mengunggah file Cascading Stylesheet (CSS) berbahaya ke server, akibatnya menggunakan itu untuk memuat Cobalt Strike Beacon yang dapat dieksekusi.

Selengkapnya: The Hacker News

Tagged With: Adobe ColdFusion 9, Cring Ransomware, Cybersecurity, Ransomware

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