CVE-2025-55315-PoC-Exploit

CVE-2025-55315 ペネトレーションテストツール ASP.NET Core Kestrel 向け HTTP リクエストスマグリング攻撃ツール ⚠️ 法的注意事項 このツールは許可されたセキュリティテスト専用です！ 所有している、またはテストのための明示的な書面による許可を得ているシステムでのみ使用してください コンピュータシステムへの不正アクセスは違法 です ツール作成者は誤用について一切の責任を負いません このツールを使用することにより、お客様は完全な法的責任を負うものとします 📋 概要 CVE-2025-55315 ASP.NET Core Kestrel HTTP...

Covenant

Covenant 是一个 .NET 命令与控制框架，旨在突出 .NET 的攻击面，使攻击性 .NET 技术的使用更加容易，并作为红队成员的协作型命令与控制平台。 Covenant 是一个基于 ASP.NET Core 的跨平台应用程序，包含一个支持多用户协作的 Web 界面。 快速入门指南 请参阅 安装与启动 指南开始使用 Covenant！ Wiki 文档涵盖了 Covenant 的大部分核心功能及其使用方法。 功能特性...

SharpC2

SharpC2 SharpC2 是一个用 C 编写的命令与控制（C2）框架，由 ASP.NET Core 团队服务器、.NET Framework 植入端和 .NET MAUI 客户端组成。...

Security Update for Microsoft ASP.NET Core (September 2026)

The Microsoft ASP.NET installations on the remote host are missing a security update. It is, therefore, affected by a denial of service vulnerability as referenced in the vendor advisory. Note that Nessus has not tested for these issues but has instead relied only on the application's self-report...

CVE-2025-55315

CVE-2025-55315 CVE-2025-55315 の概念実証エクスプロイト .NET HTTP リクエストスマグリング。不適切に解析されたチャンクエンコーディングにより、攻撃者が脆弱な ASP.NET Core/Kestrel サーバー上のプロキシやロードバランサーを通過してリクエストを密輸する方法を示します。 📊 プレゼンテーション インタラクティブな Prezi プレゼンテーションを見る 🎥 上のバッジをクリックして、Prezi での完全なインタラクティブプレゼンテーションを表示 プロジェクト構成 Api - 統合された ASP.NET Core API。2 つの...

CVE-2025-55315-detection-playground

以下是可以针对这些服务执行的一些测试，用于观察 Kestrel 已修补版本与未修补版本在 GET/POST 路由上的不同行为。 对未修补版本执行 GET（返回 200 且套接字保持打开） root@kitploit: printf 'GET / HTTP/1.1\r\nHost: localhost\r\nTransfer-Encoding: chunked\r\nContent-Type: text/plain\r\n\r\n2;\rxx\r\nxy\r\n0\r\n\r\n' | nc localhost 5002 对已修补版本执行 GET（返回 200 且套接字关闭）...

CVE-2026-21531

微软 ASP.NET Core 中的安全功能绕过漏洞（CVE-2026-21531） 🌟 描述 Azure SDK 中的一个漏洞促成了对不可信数据的反序列化，使未授权攻击者能够通过网络执行任意代码。 ⚙️ 安装 要设置该利用工具，请按照以下步骤操作： 1. 下载仓库： 下载 --- 2. 导航到工具目录： cd CVE-2026-21531 3. 安装所需的 Python 包： pip install -r requirements.txt 🚀 使用方法 要使用该工具，请按如下方式从命令行运行脚本： python exploit.py 选项 选项 Azure SDK...

CVE-2025-55315-Scanner-Monitor

Escáner de Vulnerabilidad CVE-2025-55315 y Proxy TLS Este repositorio contiene herramientas para detectar y monitorear aplicaciones ASP.NET Core vulnerables a CVE-2025-55315, que implica contrabando de solicitudes HTTP HTTP request smuggling debido a encabezados HTTP conflictivos. Herramientas...

EUVD-2026-73741

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability...

GHSA-8CP2-47HG-MFGH Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core IIS out-of-process hosting and request decompression. This advisory also provides...

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core IIS out-of-process hosting and request decompression. This advisory also provides...

Linux Distros Unpatched Vulnerability : CVE-2026-69304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network. CVE-2026-69304 No...

vulnerabilities handled in Microsoft Developer Tools

Microsoft has identified 15 vulnerabilities in various Developer Tools. A malicious individual could exploit these vulnerabilities to carry out attacks that can cause damage, as listed in the table below. The most severe vulnerability, with the identifier CVE-2026-81376, has a CVSS score of 9.6. ...

CVE-2026-57099

A flaw was found in ASP.NET Core. This vulnerability allows an unauthorized remote attacker to cause a Denial of Service DoS by allocating resources without limits or throttling. This can lead to the affected system becoming unresponsive or unavailable to legitimate users...

Duplicate Advisory: Microsoft Security Advisory CVE-2026-69304 – ASP.NET Core Denial of Service Vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8cp2-47hg-mfgh. This link is maintained to preserve external references. Original Description Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to den...

CVE-2026-69304

Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-57099

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network...

EUVD-2026-73886

Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network...

CVE-2026-57099

ASP.NET Core is affected by an unbounded resource allocation flaw (no limits or throttling) that allows an unauthenticated, remote attacker to cause a denial of service over the network. The flaw carries a CVSS 3.1 base score of 7.5 (HIGH) with low attack complexity and no required privileges. CI...

CVE-2026-69304

Improper handling of highly compressed data data amplification in ASP.NET Core allows an unauthorized attacker to deny service over a network...