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You are here: Home / News / Lebih dari 4.000 perangkat Sophos Firewall rentan terhadap serangan RCE

Lebih dari 4.000 perangkat Sophos Firewall rentan terhadap serangan RCE

January 18, 2023 by Coffee Bean

Lebih dari 4.000 perangkat Sophos Firewall yang terpapar akses Internet rentan terhadap serangan yang menargetkan kerentanan eksekusi kode jarak jauh (RCE) kritis.

Sophos mengungkapkan cacat injeksi kode ini (CVE-2022-3236) yang ditemukan di Portal Pengguna dan Webadmin Sophos Firewall pada bulan September dan juga merilis hotfix untuk beberapa versi Sophos Firewall (perbaikan resmi dikeluarkan tiga bulan kemudian, pada Desember 2022).

Instans Sophos Firewall yang menjalankan versi produk lama harus ditingkatkan secara manual ke versi yang didukung untuk menerima hotfix CVE-2022-3236 secara otomatis.

Admin yang tidak dapat menambal perangkat lunak yang rentan juga dapat menghapus permukaan serangan dengan menonaktifkan akses WAN ke Portal Pengguna dan Webadmin.

Thousands of devices are still vulnerable
Saat memindai Internet untuk perangkat Sophos Firewall, peneliti kerentanan VulnCheck Jacob Baines menemukan bahwa dari lebih dari 88.000 kejadian, sekitar 6% atau lebih dari 4.000 menjalankan versi yang belum menerima perbaikan terbaru dan rentan terhadap serangan CVE-2022-3236.

Meskipun sudah dieksploitasi sebagai zero-day, eksploitasi proof-of-concept CVE-2022-3236 belum dipublikasikan secara online.

Namun, Baines mampu mereproduksi eksploit dari informasi teknis yang dibagikan oleh Zero Day Initiative (ZDI) dari Trend Micro, sehingga kemungkinan pelaku ancaman juga akan segera dapat melakukannya.

Tantangan CAPTCHA Firewall Sophos (Jacob Baines)

​Bug Firewall Sophos sebelumnya ditargetkan dalam serangan
Pada bulan Maret 2022, Sophos menambal bug Sophos Firewall kritis serupa (CVE-2022-1040) di modul Portal Pengguna dan Webadmin yang mengaktifkan pintasan autentikasi dan serangan eksekusi kode arbitrer.

Itu juga dieksploitasi dalam serangan sebagai hari nol sejak awal Maret (kira-kira tiga minggu sebelum Sophos merilis tambalan) terhadap organisasi Asia Selatan oleh kelompok ancaman China yang dilacak sebagai DriftingCloud.

sumber : bleepingcomputer

Tagged With: Firewall, Remote Control Execution, Sophos

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