CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit chmod +x exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it di...

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...

page_inject

pageinject - AFALG aead cross-container escape AFALG aead vulnerability cross-container exploit -- pivot from one compromised container into every sibling container that shares the samelibc.so.6 image layer. This is an escape primitive : it runs from inside an unprivileged container that the...

OverlayFS---CVE-2021-3493

TL;DR Find out how a vulnerability in OverlayFS allows local users under Ubuntu to gain root privileges. Vulnerability Summary An Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did not properly validate the application of file system capabilities with respect to...

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...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

CVE-2015-8660

CVE 2015-8660 Research Description This is research I conducted on the CVE 2015-8660 overlayFS vulnerability for my Operating System Security course final research project. The goal of this project was to find a Linux kernel vulnerability from 2012-2022, explain the vulnerability, explain the...

blackbox-pentesting-infsecos

Black-Box Penetration Test — SecOS:1 VulnHub Overview Full black-box penetration test against SecOS:1 , a deliberately vulnerable CTF machine from VulnHub. Objective: simulate a real-world attacker with zero prior knowledge and achieve root-level compromise, evidenced by retrieving /root/flag.txt...

CVE-2021-3493

CVE-2021-3493 Ubuntu OverlayFS Local Privesc Affected Versions Ubuntu 20.10 Ubuntu 20.04 LTS Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Usage gcc exploit.c -o exploit ./exploit Description "Ubuntu specific issue in the overlayfs file system in the Linux kernel where it did no...

Check-for-CVE-2023-32629-GameOver-lay

Check for CVE-2023-32629 GameOverlay Script Overview: The script is designed to perform security checks on an Ubuntu system to detect vulnerabilities related to the GameOverlay flaws. It checks for two specific vulnerabilities, CVE-2023-2640 and CVE-2023-32629, which are present in the Linux...

HTB-TwoMillion-Writeup

HTB-TwoMillion-Writeup HackTheBox TwoMillion machine writeup — API abuse, command injection & CVE-2023-0386 HackTheBox — TwoMillion Writeup HackTheBox — TwoMillion Writeup Machine Info Field| Details ---|--- Name| TwoMillion Difficulty| Easy OS| Linux IP| 10.10.11.221 CVE| CVE-2023-0386 Summary...

CVE-2023-32629

CVE-2023-32629 — OverlayFS Local Full Privilege Escalation OverlayFS Local Privilege Escalation - Full write-up to full escalation For educational and authorized security research purposes only. Severity: High Type: Local Privilege Escalation LPE Affected: Ubuntu kernels prior to May/June 2023...

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...

CVE-2023-0386_POC

Team CVE-MD This repository provides a proof of concept for CVE-2023-0386: https://nvd.nist.gov/vuln/detail/CVE-2023-0386 Team members: Bǎnicǎ Dragoș-Marius and Borsos Matheas-Roland Here is the video: https://www.youtube.com/watch?v=Ikux1rjIYP0 CVE-2023-0386 — Linux OverlayFS Local Privilege...

CVE-2023-2640-CVE-2023-32629

GameOverlay Ubuntu Privilege Escalation CVE-2023-2640 https://www.cvedetails.com/cve/CVE-2023-2640/ On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs. xattrs", an unprivileged user may set privileged extended attributes on t...

CVE-2021-3493-Exploit

CVE-2021-3493-Exploit A proof-of-concept local privilege escalation exploit for CVE-2021-3493, written in C. 📌 Description This repository contains a C implementation of the exploit for CVE-2021-3493. This is a Local Privilege Escalation LPE vulnerability in the OverlayFS implementation in the...

OverlayFS-CVE-2021-3493

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

CVE-2015-1328-GoldenEye

CVE-2015-1328-GoldenEye about exploit: The overlayfs implementation in the linux aka Linux kernel package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveragi...

CVE-2023-0386

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalat...

GameOverlayFS

This script exploit the CVE-2023-2640 and CVE-2023-32629 for vulnerability on OverlayFS that affected some versions of Ubuntu. Tested on Ubuntu 20.04 with kernel 5.4.0. How to Use Download the file Gameoverlay.sh and, using a regular user not root, change the permissions for execution: chmod +x...