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Powershell

Microsoft memperingatkan kerentanan eksekusi kode PowerShell 7 yang kritis

July 3, 2021 by Winnie the Pooh

Microsoft memperingatkan kerentanan eksekusi kode jarak jauh .NET Core yang kritis di PowerShell 7 yang disebabkan oleh bagaimana pengkodean teks dilakukan di .NET 5 dan .NET Core.

PowerShell menyediakan shell baris perintah, kerangka kerja, dan bahasa skrip yang berfokus pada otomatisasi untuk memproses cmdlet PowerShell.

Ini berjalan di semua platform utama, termasuk Windows, Linux, dan macOS, dan memungkinkan bekerja dengan data terstruktur seperti JSON, CSV, dan XML, serta REST API dan model objek.

Perusahaan mengatakan tidak ada tindakan mitigasi yang tersedia untuk memblokir eksploitasi kelemahan keamanan yang dilacak sebagai CVE-2021-26701.

Pelanggan didesak untuk menginstal versi PowerShell 7.0.6 dan 7.1.3 yang diperbarui sesegera mungkin untuk melindungi sistem mereka dari potensi serangan.

Penasihat awal Microsoft juga memberikan panduan kepada pengembang tentang memperbarui aplikasi mereka untuk menghapus kerentanan ini.

“Paket yang rentan adalah System.Text.Encodings.Web. Memutakhirkan paket Anda dan menerapkan ulang aplikasi Anda seharusnya cukup untuk mengatasi kerentanan ini,” Microsoft menjelaskan pada bulan April ketika kelemahan keamanan telah ditambal.

Aplikasi berbasis .NET 5, .NET Core, atau .NET Framework apa pun yang menggunakan versi paket System.Text.Encodings.Web yang tercantum di bawah ini rentan terhadap serangan.

selengkapnya : www.bleepingcomputer.com

Tagged With: PowerShell

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