Jump-over-ASLR-BTB

Predictores de rama y ASLR Autor: Byte Reaper Descripción Este repositorio contiene una implementación de investigación en C que demuestra conceptos relacionados con los predictores de rama, la ejecución especulativa y los canales laterales basados en caché en el contexto de la aleatorización del...

CVE-2021-33624

Prueba de Concepto para CVE-2021-33624 compilar con gcc -pthread -o bpfspectretypeconfusion bpfspectretypeconfusion.c -Wall -ggdb -std=gnu99 ejecutar con sudo ./bpfspectretypeconfusion 1 2 ffffffffa4925620 0x10 donde 1 y 2 son hilos de CPU que se ejecutan en dos núcleos de hardware distintos,...

CVE-2023-0045

Evadiendo las mitigaciones de Spectre-BTI en el espacio de usuario de Linux Este es un documento de trabajo; por favor, envíenos sus comentarios si cree que nos equivocamos en algo o si omitimos alguna cita Versión 1.0 José Oliveira esoj Rodrigo Branco BSDaemon Introducción Al probar la tasa de...

Attacker-Group-Predictor

Predictor de Grupos Atacantes La herramienta predice grupos atacantes a partir de las técnicas y el software utilizado. Busca basándose en el marco MITRE ATT&CK™ ¿Cómo funciona? 1- Recopilar datos de https://attack.mitre.org/ sobre grupos atacantes 2- Obtener datos del usuario sobre el ataque 3-...

spectre-attack-example

Rutina de ataque Spectre 2 de enero de 2018 CVE-2017-5753 y CVE-2017-5715 Ejemplo de explotación de la vulnerabilidad "Spectre" ¿Qué es esto? Colocamos el texto "The Magic Words are Squeamish Ossifrage." en la memoria, y luego intentamos leerlo explotando la vulnerabilidad. Si el sistema es...

Apache PDFBox 3.0.8 Flate PNG Predictor Disproportionate Heap Allocation DoS

Summary The Apache PDFBox library is an open source Java tool for working with PDF documents. This project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. Apache PDFBox also includes several command-line utilities...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The non-transparent sharing of return predictor targets between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux, Linux 5.10

The non-transparent sharing of the branch predictor within the context of some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux, Linux 5.10

The non-transparent sharing of branch predictor selectors between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Intel Microcode

The exposure of sensitive information due to shared microarchitectural predictor states, which affect transient execution for some IntelR Core™ processors 10th generation, may allow an authenticated user to potentially disclose information through local access...

Astra Linux – Vulnerability in Intel Microcode

The non-transparent sharing of return predictor targets between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR in the function speculationctrlupdate, but the IBPB is only issued at the next schedul...

Astra Linux – Vulnerability in Intel Microcode

The exposure of sensitive information due to shared microarchitectural predictor states, which affect transient execution in the indirect branch predictors of certain Intel processors, may allow an authenticated user to potentially disclose information through local access...

Astra Linux – Vulnerability in Linux 5.15, Linux

Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type, potentially leading to information disclosure...

ROS-20260904-73-0001

The vulnerabilities of the Branch Target Buffer BTB and Indirect Branch Predictor IBP in Intel microprogramming devices stem from the state of the race within the pipeline. Exploiting these vulnerabilities can allow attackers to disclose protected information by executing specially crafted...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/vmscape: Added conditional IBPB mitigation VMSCAPE is a vulnerability that exploits insufficient branch predictor isolation between a guest and a userspace hypervisor such as QEMU. Existing mitigations already protect the...

Astra Linux – Vulnerability in Intel Microcode

The exposure of sensitive information due to shared microarchitectural predictor states, which affect transient execution on some Intel AtomR processors, may allow an authenticated user to potentially disclose information through local access...

CVE-2026-64507

A flaw was found in the Linux kernel. This vulnerability involves an incomplete defense against Spectre-v2, a type of attack that can expose sensitive information by exploiting how modern processors predict future operations. Specifically, when the Berkeley Packet Filter BPF Just-In-Time JIT...

SUSE CVE-2026-64508

In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying The BPF JIT allocator packs many small programs into larger executable allocations and reuses space within those allocations as programs are loaded and freed. When fresh code is...

CVE-2026-64508

In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying The BPF JIT allocator packs many small programs into larger executable allocations and reuses space within those allocations as programs are loaded and freed. When fresh code is...