CVE-2021-33909

CVE-2021-33909 Sequoia Writeup gcc exploit.c -o exploit -lpthread -DBLOCKVIAUSERFAULTFD gcc exploit.hello.c -o exploit.hello -lpthread -lfuse -DFILEOFFSETBITS=64 $ mkdir dir $ ./exploit $pwd/dir id...

winfsp

WinFsp · Windows File System Proxy WinFsp enables developers to write their own file systems i.e. "Windows drives" as user mode programs and without any knowledge of Windows kernel programming. It is similar to FUSE Filesystem in Userspace for Linux and other UNIX-like computers. winfsp.dev...

CVE-2023-0386

CVE-2023-0386 gcc -Wall exp.c pkg-config fuse --cflags --libs -o exp ./exp /tmp...

CVE-2023-0386

README gcc -Wall exp.c pkg-config fuse --cflags --libs -o exp ./exp /tmp Vulnerability Analysis The theoretical knowledge in this article namespaces, overlay filesystem, fuse filesystem, etc. comes from ChatGPT. Vulnerability Overview Vulnerability ID: CVE-2023-0386 Vulnerable Product: Linux kern...

CVE-2022-1011

CVE-2022-1011 Fix link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=0c4bcfdecb1ac0967619ee7ff44871d93c08c909 This vulnerability is mainly due to the asynchronous nature of splice, which allows the user-mode filesystem process server side to retain a piece of memor...

CVE-2022-0185

CVE-2022-0185 This repo contains demo exploits for CVE-2022-0185. There are two versions here. The non-kctf version fuse version specifically targets Ubuntu with kernel version 5.11.0-44. It does not directly return a root shell, but makes /bin/bash suid, which will lead to trivial privilege...

CVE-2022-0185

CVE-2022-0185 This repo contains demo exploits for CVE-2022-0185. There are two versions here. The non-kctf version fuse version specifically targets Ubuntu with kernel version 5.11.0-44. It does not directly return a root shell, but makes /bin/bash suid, which will lead to trivial privilege...

CVE-2026-31694-POC

CVE-2026-31694: FUSE readdir cache out-of-bounds write A missing bounds check in fs/fuse/readdir.c:fuseadddirenttocache. A FUSE server returns a dirent with namelen = 4095, which serializes to a 4120-byte record. The kernel copies it into a single 4096-byte page-cache page and overflows by 24...

CVE-2023-0386-libs

Install compilation environment sudo apt install -y gcc libfuse-dev pkg-config Compile exploit gcc -Wall CVE-2023-0386.c pkg-config fuse --cflags --libs -DFILEOFFSETBITS=64 -o CVE-2023-0386-exp -static -lfuse Generate shellcode msfvenom -p linux/x86/exec CMD=/bin/sh PrependSetuid=True -f elf -o...

CVE-2023-0386

typora-copy-images-to: ./image CVE-2023-0386 Exploit Usage: First : Upload fuse.c and exp.sh to the /tmp directory. You can use scp or python3 -m http.server to upload the file to the target. scp /Desktop/CVE-2023-0386/exp.sh [email protected]:/tmp scp /Desktop/CVE-2023-0386/fuse.c...

CVE-2023-0386

Installation make all How to use Start two terminals and in the first one type ./fuse ./ovlcap/lower ./gc In the second terminal type ./exp...

FUSE

FUSE FUSE is a penetration testing system designed to identify Unrestricted Executable File Upload UEFU vulnerabilities. The details of the testing strategy is in our paper, "FUSE: Finding File Upload Bugs via Penetration Testing", which appeared in NDSS 2020. To see how to configure and execute...

CVE-2023-0386

Compilation make all Usage Start two terminals, in the first terminal enter ./fuse ./ovlcap/lower ./gc In the second terminal enter ./exp Effect Privilege escalation effect Effect demonstration...

RockyLinux 8 : kernel-rt (RLSA-2026:87374)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:87374 advisory. kernel: ipv4: raw: reject IPHDRINCL packets with ihl msiperm after freeing it on init failure CVE-2026-89777 Tenable has extracted the preceding...

CVE_2026_31694

CVE-2026-31694 Passive Scanner A passive Linux host assessment tool for CVE-2026-31694 , a FUSE readdir-cache out-of-bounds write in the Linux kernel. The scanner evaluates the running kernel, FUSE exposure, local package metadata, kernel source evidence, execution environment, and operating-syst...

CVE-2023-0386

Installation make all How to use Start two terminals and in the first one type ./fuse ./ovlcap/lower ./gc In the second terminal type ./exp...

CVE-2023-0386-go-poc

Go PoC of CVE-2023-0386 ./main /tmp/fuse Will run the program and create a fuse mount on "/tmp/fuse" directory. Expects you've compiled the shell in the root directory with a name of "shell" by default. After you've run the program, there should be an executable binary in the "/tmp/ovlmerged/"...

CVE-2023-0386-OverlayFS

CVE-2023-0386 - OverlayFS / FUSE Original CVE source written by xkaneiki: https://github.com/xkaneiki/CVE-2023-0386/tree/main Rewritten so the exploit can be run in 1 shell original exploit requires 2 shells. Compile make all Create mount point for fuse filesystem mkdir -p /tmp/fusepwn/lower Star...

RHEL 8 : kernel-rt (RHSA-2026:87374)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87374 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 8 : kernel (RHSA-2026:87375)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87375 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv4: raw: reject IPHDRINCL...