Friday , November 24 2017
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Vulnerability Bash Shell Pada Linux, Unix, dan Mac OS X

bash bug

Sebuah Vulnerability remote exploit telah ditemukan pada Linux dan Unix command-line shell, yang dikenal sebagai Bash bug, situs-situs yang tak terhitung jumlahnya, sever, PC, router, dan masih banyak lagi yang menggunakan Linux dan Unix command-line shell terbuka keamanannya untuk memanjakan para hacker.

Stephane Chazelas mengungkapkan pada publik rincian teknis dari romote code execution vulnerability yang mempengaruhi sebagian besar distribusi server Linux di seluruh dunia. Remotely exploitable shellshock vulnerability (CVE-2014-6271) ini terdapat pada GNU Bash versi 1.14 sampai 4.3 yang disebut sebagai Bash Bug, dan disebut shellshock oleh peneliti security di internet.

Menurut rincian teknis, vuln ini memungkinkan hacker bisa mengeksploitasi bash bug dengan menjalankan perintah shell melalui remote “eksploitasi vulnerability ini umumnya dilakukan melalui jaringan” ujar stephane.

Serangan bisa dilakukan melalui OpenSSH. seperti yang dikatakan stephane “Kami telah memverifikasi bahwa vulnerability ini terdapat pada ssh, akan tetapi hanya untuk sesi konfirmasi aplikasi web seperti cgi-script, termasuk memanggil aplikasi lain melalui shell, atau mengevaluasi kode melalui shell.” tetapi jika hacker tidak memiliki akun SSH eksploitasi ini tidak akan bekerja.

Ini adalah risiko yang serius untuk infrastruktur Internet seperti Heartbleed bug, karena Linux berjalan pada banyak server dan juga sejumlah besar perangkat embedded, termasuk laptop Mac OS X dan perangkat Android juga menjalankan versi Vuln dari software bash.

cara mengecek apakah linux anda vuln adalah dengan menjalankan perintah dan pada command line. jika muncul tulisan berarti Linux anda vuln.

bash bug

untuk patch, anda bisa mengupdate  software bash sekarang juga, karena belum lama ini Linux telah merilis versi terbaru software bash. atau anda bisa telusuri link di bawah ini untuk update software bash.

 

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