In-Spectre-Meltdown

In-Spectre-Meltdown This tool allows to check speculative execution side-channel attacks that affect many modern processors and operating systems designs. CVE-2017-5754 Meltdown and CVE-2017-5715 Spectre allows unprivileged processes to steal secrets from privileged processes. These attacks prese...

CVE-2021-29155

This is the Proof Of Concept code for CVE-2021-29155. The range tracking system for pointer arithmetic in the speculative domain was insufficient. It was possible to extract kernel data via a sidechannel. This is a proof of concept you can read up to 0x5fff bytes out of bounds from the last eleme...

exploit-cve-2017-5715

Spectre 攻击 Spectre 打破了不同应用程序之间的隔离。它允许攻击者诱骗遵循最佳实践的无错误程序泄露其秘密。事实上，上述最佳实践中的安全检查反而增加了攻击面，并可能使应用程序更容易受到 Spectre 的影响。 此漏洞利用程序会检查你的 Linux（仅限 x64）是否存在 Spectre 漏洞。 编译 只需运行 make 即可编译源代码。 运行 执行该漏洞利用程序 root@kitploit: taskset -c 1 ./exploit + Testing for Spectre + Dumping memory from 0xffffffffffdfeea8 to...

spectreScope

spectreScope The demo of the speculative execution attack Spectre CVE-2017-5753, CVE-2017-5715. Tested On macOS root@kitploit: Intel - Apple MacBook Pro Retina, 15-inch, Late 2013 - macOS High Sierra 10.13.2 - 1 IntelR CoreTM i7-4750HQ CPU @ 2.00GHz - git 2.14.3 - cmake 3.10.1 - Xcode 9.2 Linux...

spectre-meltdown-checker

Spectre & Meltdown Checker システムの、2018年初頭以降に公開された複数のTransient Execution関連CVEに対する耐性を評価し、その軽減方法をガイダンスする、自己完結型のシェルスクリプトです。 CVE一覧 CVE| 名称| 別名 ---|---|--- CVE-2017-5753| 境界チェックバイパス| Spectre V1 CVE-2017-5715| ブランチターゲットインジェクション| Spectre V2 CVE-2017-5754| Rogue Data Cache Load| Meltdown CVE-2018-3640| Rog...

Jump-over-ASLR-BTB

分支预测器与 ASLR 作者：Byte Reaper 描述 该仓库包含一个研究性 C 实现，用于演示在地址空间布局随机化（ASLR）背景下与分支预测器、推测执行和基于缓存的侧信道相关的概念。 要求： root@kitploit: Linux x8664 GCC CPU that supports BTB 构建： root@kitploit: gcc btb.c -o BTB ./BTB 快速输出（示例）： root@kitploit: + check System Security for Check branch predictors... + Sleep Success. - Not...

meltdown-exploit

MELTDOWN エクスプロイト PoC 投機的実行最適化は、安全でない方法でコードを実行し、キャッシュなどのマイクロアーキテクチャにデータの痕跡を残します。 Lipp 他 2018 は 2018-01-09 にコードを https://github.com/IAIK/meltdown で公開しました。詳細は論文 https://meltdownattack.com/meltdown.pdf を参照してください。 現時点では linuxprocbanner のみダンプ可能です。アクセスするメモリがキャッシュにある必要があり、/proc/version から読み取るたびに...

spectre-attack-example

Spectre Attack Example January 2, 2018 CVE-2017-5753 and CVE-2017-5715 "Spectre" exploit example What is this? We place the text "The Magic Words are Squeamish Ossifrage." in memory, and then we attempt to read it using the vulnerability. If the system is vulnerable, you will see the same text on...

kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability

An attacker executing code on affected system could inject an interrupt at a precise moment to disrupt "Safe RET", the default Linux mitigation for speculative Return Overflow SRSO, which could potentially weaken that protection and may result in information disclosure...

kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability

An attacker executing code on affected system could inject an interrupt at a precise moment to disrupt "Safe RET", the default Linux mitigation for speculative Return Overflow SRSO, which could potentially weaken that protection and may result in information disclosure...

kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability

An attacker executing code on affected system could inject an interrupt at a precise moment to disrupt "Safe RET", the default Linux mitigation for speculative Return Overflow SRSO, which could potentially weaken that protection and may result in information disclosure...

CTT-MICROSOFT-OFFICE-OLE-MANIFOLD-BYPASS-CVE-2026-21509

🏛️CTT -Microsoft Office OLE Manifold BYPASS CVE-2026-21509 Standardized CTT Implementation for 1096x Temporal Execution ! 📜 漏洞概述 CVE-2026-21509 是 Microsoft Office OLE（对象链接与嵌入）验证引擎中的一个严重绕过漏洞。虽然标准的“层流”利用尝试操纵静态 COM 对象，但本仓库利用定理 4.2 实现了对对象定义规则（ODR）的推测性竞态条件绕过。 🕰️ CTT 优势（定理 4.2） 针对此 CVE...

Spectre-PoC

Spectre-PoC 非我所写。收集自书籍。幽灵攻击：利用推测执行...

SpeculativeExecutionAssessment

SpeculativeExecutionAssessment 评估系统是否存在以下“推测执行”漏洞： CVE-2017-5715（分支目标注入） CVE-2017-5753（边界检查绕过） CVE-2017-5754（恶意数据缓存加载） 警告：请确保在生成选项中未勾选“Prefer 32-bit”（首选 32 位）。 需要提升的权限 缓解措施需要： 1. 设置注册表值，表明防病毒/安全产品与 Windows 更新兼容 2. 安装 Windows 操作系统更新（属于 2018 年 1 月安全月度质量汇总的一部分） 3. 启用注册表设置 4. 更新硬件/固件 5...

spectre-attack

Spectre 攻击示例 使用 2018 年 1 月 2 日披露的“Spectre”漏洞利用的示例（CVE-2017-5753 和 CVE-2017-5715） Spectre 打破了不同应用程序之间的隔离。它允许攻击者诱骗遵循最佳实践的无错误程序泄露其秘密。事实上，这些最佳实践的安全性检查反而增加了攻击面，并可能使应用程序更容易受到 Spectre 攻击。 Spectre 论文 - Spectre 论文及代码来源 语言 C 语言，使用以下库： stdio.h stdint.h intrin.h - 用于 rdtscp 和 clflush 示例的功能是什么？ 我们将文本 "The...

spectre-attack-demo

Ejemplo de ataque Spectre Ejemplo de uso del exploit "Spectre" revelado el 2 de enero de 2018 CVE-2017-5753 y CVE-2017-5715 Spectre rompe el aislamiento entre diferentes aplicaciones. Permite a un atacante engañar a programas sin errores, que siguen las mejores prácticas, para que revelen sus...

Hardware-Vulnerability-with-Proof-of-Concept-

🛡️ Spectre Variant 2 CVE-2017-5715 — Hardware Vulnerability Research An in-depth research paper and hands-on Proof-of-Concept PoC exploring speculative execution attacks on modern CPUs. 📖 Overview This project is a research and lab-based exploration of Spectre Variant 2 CVE-2017-5715 , also known...

Ubuntu 20.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8668-1)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8668-1 advisory. Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations,...

Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-8665-1)

"The remote Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8665-1 advisory. It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw in the boot CPU could be exploited by attacks targeting speculative execution behavior. This flaw is related to the power management options in the Linux kernel’s X86 CPU. It was discovered in the way users resume the CPU from suspend-to-RAM. A local user could utilize this flaw to...