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You are here: Home / News / PoC baru untuk bug Microsoft Exchange membuat serangan dapat menjangkau siapa pun

PoC baru untuk bug Microsoft Exchange membuat serangan dapat menjangkau siapa pun

March 15, 2021 by Winnie the Pooh

Awal pekan ini, seorang peneliti keamanan bernama Nguyen Jang menerbitkan entri blog yang merinci eksploitasi bukti konsep (POC) untuk kerentanan Microsoft Exchange ProxyLogon. Jang juga membagikan eksploitasi yang sengaja rusak di GitHub yang memerlukan beberapa perbaikan agar berfungsi dengan benar.

Namun, PoC memberikan informasi yang cukup sehingga peneliti keamanan dan pelaku ancaman dapat menggunakannya untuk mengembangkan eksploitasi eksekusi kode jarak jauh fungsional untuk server Microsoft Exchange.

Segera setelah PoC diterbitkan, Jang menerima email dari GitHub milik Microsoft yang menyatakan bahwa PoC telah dihapus karena melanggar Kebijakan Penggunaan yang Dapat Diterima.

Akhir pekan ini, seorang peneliti keamanan yang berbeda menerbitkan ProxyLogon PoC baru yang memerlukan sedikit modifikasi untuk mengeksploitasi server Microsoft Exchange yang rentan dan meletakkan shell web di atasnya.

Will Dorman, Analis Kerentanan di CERT / CC, menguji kerentanan pada server Microsoft Exchange dan memberi tahu BleepingComputer bahwa itu bekerja dengan sedikit modifikasi.

“Sekarang sudah dalam jangkauan ‘script kiddie'”, Dorman memperingatkan dalam diskusi mengenai PoC.

Dengan eksploitasi untuk kerentanan Microsoft Exchange yang tersedia untuk umum, semakin penting bagi administrator untuk menambal server mereka sesegera mungkin.

Selengkapnya: Bleeping Computer

Tagged With: Cybersecurity, Microsoft Echange, PoC, ProxyLogon, Vulnerability

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