CVE-2021-3493

CVE-2021-3493...

CVE-2021-3493_CVE-2022-3357

NOTE 1. This is a GitHub repository containing source code and research information about 2 CVEs: CVE-2021-3493 and CVE-2022-3357, respectively a CVE allowing privilege escalation and a CVE allowing RCE intrusion. If we combine these two CVEs, we can infiltrate a WordPress server and if that serv...

overlayFS-CVE-2021-3493

overlayFS CVE-2021-3493 OverlayFs OverlayFS is a Linux kernel module that allows the system to combine multiple mount points into one, so that it can access all files from each within a single directory structure. About the vulnerability Recently SSD-Discloure released a PoC for an exploit of the...

OverlayFS-CVE-2021-3493

OverlayFS — CVE-2021–3493 || Writeup || Tryhackme 📖 Introduction What is OverlayFS.? OverlayFS is a Linux kernel module that allows the system to combine several mount points into one, so that you can access all the files from each within one directory structure. It’s often used by live USBs, or...

OverlayFS-CVE-2021-3493

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

OverlayFS---CVE-2021-3493

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

CVE-2021-3493

CVE-2021-3493...

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...

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...