COPY-FAIL

Copy Fail -- CVE-2026-31431 Hardened C implementation for redteam and authorized penetration testing operations. ⚠️ Legal Notice: This tool is intended solely for authorized security research, authorized penetration testing, and defensive analysis. Use on systems you own or have explicit written...

USTP-Secure

USTP USTP means UDP Speedy Transmission Protocol. USTP keeps the same authenticated transport model, but the project name is now simply USTP again. By default, USTP uses AEAD for DATA. It also supports an optional negotiated cleartext + HMAC mode for DATA, where payload bytes are visible on the...

USSH

USSH USSH is a shell protocol and client/server pair built on top of USTP-Secure. It is not a TCP tunnel and does not wrap SSH inside TCP. Status: Beta License: MIT AEAD cipher names chacha20 = CHACHA20POLY1305 aes-256-gcm = AES256GCM aes-128-gcm = AES128GCM Default AEAD cipher: chacha20 Default...

CESS

CESS — Cryptologically Enchanted Shamir's Secret Is this AI bullshit or slop? A cryptographer or serious implementer reviewing CESS will typically open vectors/ and testdata/ before reading prose. The test suite is the proof of work: it encodes domain knowledge that cannot be substituted with...

Concryptor

Concryptor A multi-threaded AEAD encryption engine built in Rust. Encrypts and decrypts files at gigabyte-per-second throughput using a triple-buffered iouring pipeline, parallel chunk processing via Rayon, and assembly-optimized ciphers via ring. ⚠️ DISCLAIMER: EXPERIMENTAL SOFTWARE ⚠️ This...

asm-copyfail

CVE-2026-31431 Copy Fail — Analysis and development in x86-64 Assembly Based on the source code published in Theori, we will do several exercises until we fully convert it to pure Assembly language without external libraries.python !/usr/bin/env python3 Archivo: copyfail.py import os as...

cve-2026-31431

CVE-2026-31431 — Copy Fail: Linux Kernel LPE Research Lab Educational purposes only. Do NOT use on systems without explicit authorization. Index Description of the vulnerability Affected components How it works Lab setup Docker PoC — Demonstration Mitigation References Vulnerability Description...

CVE-2026-31431-CopyFail-static-ELF--POC

CVE-2026-31431: Copy Fail - 587-byte static ELF I did not find this bug. Credit goes to Xint Code / Theori. This repo is my take on making the exploit as small as possible - a hand-rolled x8664 ELF that does the full LPE in 587 bytes. No libc, no linker, no runtime. Just NASM and stubbornness. In...

copy-fail-cve-2026-31431-linux-kernel-page-cache-lpe

Copy Fail CVE-2026-31431 - Vulnerability Checker Conceptual validation script for CVE-2026-31431 "Copy Fail" — a Linux kernel local privilege escalation via algifaead page-cache write. Vulnerability CVE-2026-31431 is a logic bug in the Linux kernel's authencesn AEAD template. When combined with...

CVE-2026-31431-C

copy-fail CVE-2026-31431 Copy Fail C language PoC, logically aligned with the original Python exploit theori-io/copy-fail-CVE-2026-31431. For authorized security research and experimental environments only. Do not use on unauthorized systems. Brief Principle In Linux AFALG,...

copy-fail_LPE_Interactive

CVE-2026-31431 Copy Fail Exploit Linux kernel page cache poisoning exploit tool with support for non-interactive command execution. Vulnerability Overview CVE-2026-31431 is a logic flaw in the Linux kernel, present in the authesn AEAD algorithm implementation. Through the AFALG and splice system...

CVE-2025-15467

CVE-2025-15467: OpenSSL CMS AuthEnvelopedData Stack Buffer Overflow Overview CVE-2025-15467 is a critical stack buffer overflow vulnerability in OpenSSL's CMS Cryptographic Message Syntax parsing code. The vulnerability exists in the evpciphergetasn1aeadparams function when processing AES-GCM...

CVE-2026-31431

Test, patch, fix: CVE-2026-31431 Test:Check vuln python3 -c 'import socket;exec"try:s=socket.socketsocket.AFALG,socket.SOCKSEQPACKET,0;s.bind"aead","authencesnhmacsha256,cbcaes";print"vulnerable"\nexcept:print"not vulnerable""' check if module Check if module is loaded in kernel lsmod |...

CVE-2026-31431

copy.fail — AFALG AEAD splice primitive CVE-2026-31431 Overview This project is a C port of the original Python prototype, by offsecguy. It leverages the Linux kernel crypto API AFALG using: authencesnhmacsha256,cbcaes AEAD mode MSGMORE flag splice system call The technique feeds data from a...

Copy-fail-CVE-2026-31431-Exploit-in-C

Copy-fail-CVE-2026-31431-Exploit-in-C Discovery and original disclosure of CVE-2026-31431: Theori / Xint. Public writeup: https://copy.fail/. Overview This program targets the Linux kernel’s AFALG AEAD path and attempts to trigger the “Copy Fail” page-cache corruption behavior described in public...

CVE-2026-31431-Copy-Fail

CVE-2026-31431 — Copy Fail Severity: Critical CVSS v3.1: 9.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Status: Public Exploit Available Summary CVE-2026-31431 "Copy Fail" is a local privilege escalation vulnerability in the Linux kernel cryptographic subsystem. Any unprivileged user can escalate to roo...

opgp-service-cve-2019-9153

CVE-2019-9153 vulnerability reproduce PoC based on setup from BSI investigate vulnerability of opgp-service API to such an attack run tests with: npm test conclusion: opgp-service is by default setup with AEADprotect=true which protects against the signature bypass attack described in...

cve-2026-31431-ftrace

cve-2026-31431 mitigation using ftrace The ebpf solutions around for mitigating cve-2026-31431 require lsm=bpf at boot time, which is usually not set by default. For OracleLinux this was enabled by default in UEKr7u3 and in UEKr8u1 after December 2025. To check whether or not you can use ebpf-lsm...

CVE-2026-31431-patch

CVE-2026-31431-patch A temporary mitigation for CVE-2026-31431 vulneribility git clone https://github.com/rshosting/CVE-2026-31431-patch.git cd CVE-2026-31431-patch sh checkaead.sh Once server is back from reboot execute below script: sh completeaead.sh...

cve-2026-31431-detection

CVE-2026-31431 "Copy Fail" — Defensive Detection Package A production-ready collection of detection rules and triage guidance for CVE-2026-31431, a Linux kernel local privilege escalation in the algifaead crypto interface disclosed by Theori Xint Code Research. The vulnerability exploits an...