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.NET

Detecting and mitigating CVE-2022-26134: Zero day at Atlassian Confluence

A new zero day vulnerability actively exploited in the wild has been found in Atlassian Confluence. The vulnerability CVE-2022-26134 affects all supported versions of Confluence Server and Confluence Data Center allowing an unauthenticated user to run arbitrary commands remotely. The Atlassian team confirmed the vulnerability with an official tweet and then also published a security advisory to update its customers.

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Proactive Threat Hunting Bears Fruit: Falcon OverWatch Detects Novel IceApple Post-Exploitation Framework

The CrowdStrike Falcon OverWatch™ proactive threat hunting team has uncovered a sophisticated .NET-based post-exploitation framework, dubbed IceApple. Since OverWatch's first detection in late 2021, the framework has been observed in multiple victim environments in geographically distinct locations, with intrusions spanning the technology, academic and government sectors.

Announcing automated fixes for vulnerabilities in .NET dependencies

We’re pleased to announce improved support for.NET applications in Snyk Open Source, allowing developers to fix vulnerabilities in.NET dependencies with the help of actionable advice and automated pull requests! As of the time of writing, NuGet, the Microsoft-supported and de-facto standard package manager for.NET, has 276,266 unique packages, downloaded on average more than a billion times a week!

Snyk Code adds security scanning for C# and .NET

As a quick note, I have a personal history with .NET, including time working at Microsoft as a .NET evangelist. And I’ve briefly met Anders Jejlsberg, the designer of C# and Typescript, so this blog is a bit personal for me. We are happy to announce that Snyk Code scans for security vulnerabilities and provides remediation suggestions for yet another language: C#. This adds a major language to our portfolio which includes support for Java, JavaScript, TypeScript, and Python.

Top Security Anti-Patterns in ASP.NET Core Applications

Microsoft's ASP.NET Core enables users to more easily configure and secure their applications, building on the lessons learned from the original ASP.NET. The framework encourages best practices to prevent SQL injection flaws and cross-site scripting (XSS) in Razor views by default, provides a robust authentication and authorization solution, a Data Protection API that offers simplicity of configuration, and sensible defaults for session management.