overlayFS-CVE-2021-3493

overlayFS CVE-2021-3493 OverlayFs OverlayFS es un módulo del kernel de Linux que permite al sistema combinar varios puntos de montaje en uno, para que pueda acceder a todos los archivos de cada uno dentro de una estructura de directorio. Sobre la vulnerabilidad Hace poco SSD-Discloure lanzó un Po...

CVE-2021-3493

CVE-2021-3493...

CVE-2021-3493_CVE-2022-3357

NOTA 1. Este repositorio de github contiene el código fuente e información de investigación sobre 2 CVE: CVE-2021-3493 y CVE-2022-3357, respectivamente un CVE que permite escalada de privilegios y un CVE que permite intrusión RCE. Si combinamos estos 2 CVE, podemos infiltrarnos en un servidor...

CVE-2021-3493

CVE-2021-3493...

OverlayFS-CVE-2021-3493

OverlayFS — CVE-2021–3493 || Writeup || Tryhackme 📖 Introducción ¿Qué es OverlayFS? OverlayFS es un módulo del kernel de Linux que permite al sistema combinar varios puntos de montaje en uno solo, de modo que puedas acceder a todos los archivos de cada uno dentro de una única estructura de...

OverlayFS-CVE-2021-3493

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DeepRoot

CVE-2021-3493 Comprehensive Exploit Framework $\colorFF4D2E \textbf\textsfDeepRoot$ OverlayFS Capability Privilege Escalation Framework - Red Team Professional Edition Overview DeepRoot framework is a comprehensive privilege escalation exploit for CVE-2021-3493 OverlayFS Privilege Escalation with...

OverlayFS-LPE-Exploit

OverlayFS-LPE-Exploit OverlayFS Local Privilege Escalation CVE-2021-3493 Project Overview This repository contains documentation and exploit code for a Local Privilege Escalation LPE vulnerability found in the Ubuntu Linux kernel. This was tested in a TryHackMe lab environment. Lab Highlights...

OverlayFS-CVE-2021-3493

gcc Exploit.c -o Exploit whoami root...

OverlayFS---CVE-2021-3493

OverlayFS---CVE-2021-3493...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

OverlayFS-LPE-Exploit Type...

GameOver(lay) Privilege Escalation and Container Escape

This module exploits the use of unsafe functions in a number of Ubuntu kernels utilizing vulnerable versions of overlayfs. To mitigate CVE-2021-3493 the Linux kernel added a call to vfssetxattr during ovldosetxattr. Due to independent changes to the kernel by the Ubuntu development team...

K54635192: Linux kernel overlayfs vulnerability CVE-2021-3493

Security Advisory Description The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Vers...

New Stealthy Shikitega Malware Targeting Linux Systems and IoT Devices

A new piece of stealthy Linux malware called Shikitega has been uncovered adopting a multi-stage infection chain to compromise endpoints and IoT devices and deposit additional payloads. "An attacker can gain full control of the system, in addition to the cryptocurrency miner that will be executed...

Ubuntu Overlayfs Local Privilege Escalation

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule '2021 Ubuntu Overlayfs LPE', 'Description' = %q This module exploits a vulnerability in Ubuntu's implementation of overlayfs. The vulnerability is...

CVE-2021-3493

No description...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Vers...

Exploit for Privilege Context Switching Error in Canonical Ubuntu_Linux

CVE-2021-3493 Ubuntu OverlayFS...

LSN-0076-1: Kernel Live Patch Security Notice

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges.CVE-2021-3493 Piotr Krysiuk discovered that the BPF JIT compil...