AppCheck Security Blog


Citrix Content Collaboration ShareFile Improper Access Control Vulnerability (CVE-2023-24489)

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In this blog post, we look in detail at the various stages that combine to form a complete kill chain, and how knowledge of the model can help to better inform an organisation’s efforts to secure its technical estate, systems and data against attacks and attempted compromise.
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WinRAR is a trialware file archiver utility for Windows, developed by win.rar GmbH. It can create and view archives in RAR or ZIP file formats, and unpack numerous archive file formats. To enable the user to test the integrity of archives, WinRAR embeds CRC32 or BLAKE2 checksums for each file in each archive. WinRAR supports creating encrypted, multi-part and self-extracting archives. WinRAR is a Windows-only program.
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Openfire is an XMPP server licensed under the Open Source Apache License. Extensible Messaging and Presence Protocol (XMPP, originally named Jabber) is an open communication protocol designed for instant messaging (IM), presence information, and contact list maintenance. Based on XML (Extensible Markup Language), it enables the near-real-time exchange of structured data between two or more network entities.
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Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft. It is used to develop computer programs including websites, web apps, web services and mobile apps. Visual Studio uses Microsoft software development platforms such as Windows API, Windows Forms, Windows Presentation Foundation, Windows Store and Microsoft Silverlight. It can produce both native code and managed code.
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Citrix Content Collaboration is a file sharing and data repository that enables users to manage and share documents from anywhere. It aims to streamline document workflows, manage how sensitive files are stored, extend the capabilities of existing Microsoft Endpoint Manager deployments, and combine the simplicity of personal file sharing with enterprise-grade security controls. ShareFile is a secure content collaboration, file sharing and sync software that supports all the document-centric tasks and workflow needs of small and large businesses.
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In this blog post, we look at how the concept of “red teaming” originated, how it can be applied to cybersecurity, and what benefits it can offer within the context of a holistic cybersecurity management programme.

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