fastjson-jsontype-rce-lab

Fastjson @JSONType remote-JAR/FD-chain lab and detection This repository now preserves two distinct Fastjson research tracks: modern-fd/ is the recommended, marker-only reconstruction of the Fastjson 1.2.83 single-body remote-JAR/file-descriptor chain on Spring Boot 3, normal embedded Tomcat and...

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-2026-88252 Sssd: sssd: denial of service via responder connection retry loop during file descriptor exhaustion

A flaw was found in sssd. A local user can cause a Denial of Service DoS by exhausting the responder service's available file descriptors system handles used for open connections. By opening and maintaining many concurrent connections to a responder socket while continuing to queue new connection...

CVE-2026-88252

A Denial of Service (DoS) vulnerability exists in sssd where a local user can exhaust the responder service's available file descriptors . By maintaining numerous concurrent connections to a responder socket and queuing new attempts, an attacker triggers an unthrottled retry loop . This results i...

dovecot: Dovecot: Denial of Service and potential message duplication via connection limit exhaustion

A flaw was found in the Dovecot mail server's submission-login component. This vulnerability occurs when the server reaches its maximum allowed user IP connections, leading to a crash due to file descriptor handling issues. This can result in a denial of service, preventing users from sending...

public-passwd

!WARNING Only use this on systems you own or have authorisation to test. It is recommended to keep a root shell open if you won't be able to reboot the system in case of failure, as you may not be able to clear the page cache for /etc/shadow without root. public-passwd Use CVE-2026-46333 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...

CVE-2022-2602-Kernel-Exploit

CVE-2022-2602-Kernel-Exploit Details https://blog.hacktivesecurity.com/index.php/2022/12/21/cve-2022-2602-dirtycred-file-exploitation-applied-on-an-iouring-uaf/ TL;DR The vulnerability is an Use-After-Free that impacts the registered file descriptor functionality in the iouring subsystem. It's...

CVE-2024-21626-old-docker-versions

Vulnerabilidad de escape de contenedor en componentes antiguos de runc CVE-2024-21626 Durante mi análisis sobre CVE-2024-21626 encontré que otros componentes antiguos de Docker son vulnerables a fuga de fd que no se menciona en el aviso de seguridad GHSA-xr7r-f8xq-vfvv. Lea mi artículo completo...

ptrace_may_dream

ptracemaydream CVE-2026-46333 Local privilege escalation exploit for the ptracemayaccess mm=NULL race condition in pidfdgetfd2. When a process is dying and its mm has already been released, the kernel skips the ptrace access check entirely. By racing pidfdgetfd against process exit, an unprivileg...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Remove dangling pointers When an async control is written, we copy a pointer to the file handle that initiated the operation. That pointer will be used when the device is completed—which could happen at any time ...

docker_lightman_exploit

Docker Lightman Exploit Docker CVE-2022-37708. This exploit relies on how the UNIX filesystem has UID and GID on files that Docker shares between the Host running the Docker and the Client being run within the Docker as well as relies on the nature of how Process ID ownership works. The Problem i...

CVE-2024-21626-POC

CVE-2024-21626-POC Instrucciones de uso Solo para uso educativo/investigativo, cualquier acción no relacionada con educación/investigación conlleva riesgos bajo su propia responsabilidad. Uso docker build . -t cve-2024-21626 docker run -it --rm cve-2024-21626 bash /poc.sh 另起一个terminal...

CVE-2025-1974

Exploit for Ingress NGINX - IngressNightmare This project provides an exploit targeting critical unauthenticated Remote Code Execution RCE vulnerabilities in the Ingress NGINX Controller for Kubernetes, collectively referred to as IngressNightmare. In the original research, the Wiz team did not...

cve-2024-21626-runc-1.1.11-escape

CVE-2024-21626 - runc Leaky Vessels Resumen Campo| Detalle ---|--- CVE| CVE-2024-21626 Componente afectado| runc ≤ 1.1.11 Clase de vulnerabilidad| Escape de contenedor mediante fuga de descriptor de archivo Apodo| Leaky Vessels Causa raíz runc filtra un descriptor de archivo interno típicamente...

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...

Rocky Linux 8 [CIQ] Security Update: open-vm-tools / open-vm-tools-debuginfo / open-vm-tools-debugsource / etc Multiple Vulnerabilities (crlsa-2023_7265)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20237265 advisory. open-vm-tools: SAML token signature bypass CVE-2023-34058 open-vm-tools: file descriptor hijack vulnerability in the vmware-user-suid-wrapper CVE-2023-3405...

Rocky Linux 8 [CIQ] Security Update: libslirp / libslirp-debuginfo / libslirp-debugsource / etc (crlsa-2024_0752)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20240752 advisory. runc: file descriptor leak CVE-2024-21626 Tenable has extracted the preceding description block directly from the CIQ security advisory. Note that Nessus has not...

Rocky Linux 8 [CIQ] Security Update: polkit / polkit-debuginfo / polkit-debugsource / polkit-devel / etc (crlsa-2022_1546)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20221546 advisory. polkit: file descriptor leak allows an unprivileged user to cause a crash CVE-2021-4115 Tenable has extracted the preceding description block directly from the CIQ...