CVE-2019-14287-write-up

CVE-2019-14287-write-up 4294967295 Sudo Bug Allows Restricted Users to Run Commands as Root DEMONSTRATION OF VULNERABILITY Add a new user: sudo su - root useradd -m -s /bin/bash testuser passwd testuser // add password to user visudo Add a new entry test ALL=ALL, !root /usr/bin/id // specifying...

My-CVEs

A list of vulnerabilities I found. Some vulnerabilities come with deep technical writeups, exploits or even fuzzing session walkthroughs. Some vulnerabilities don't have CVEs because maintainers ghosted me, or because a maintainer didn't agree it's a security bug, I decided to release those as...

Urgent11-Suricata-LUA-scripts

Urgent11-Suricata-LUA-scripts Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and CVE-2019-12260 CVE-2019-12255 The script checks for CVE-2019-12255, the packet that is checked needs to have the PSH, ACK, and URG flags set, and have a payload size that exceeds 1500...

CVE-2026-70388

SOEM version 2.0.0 and earlier is vulnerable to memory corruption due to an integer underflow in message length validation. A malicious device on the network can send specially crafted messages that cause the software to perform arithmetic on length values without proper validation. This allows n...

Windows-CVE-2024-38063

Windows-TCP/IP-IPv6CVE-2024-38063 Vulnerability CVE-2024-38063 is a remote code execution vulnerability in the TCP/IP component of the Windows operating system. According to Microsoft's official description, the vulnerability has a maximum severity rating of Critical, with a CVSS score of 9.8, an...

CLSA-2026-1792990909 libexif: Fix of 3 CVEs

CVE-2026-32775: fix buffer overwrite via integer underflow in MakerNote entry value handling - CVE-2026-40385: fix unsigned 32-bit integer overflow in Nikon MakerNote handling - CVE-2026-40386: fix integer underflow in Fuji/Olympus MakerNote size checks...

K000163890: Linux kernel vulnerabilities CVE-2026-46136 and CVE-2026-46138

Security Advisory Description CVE-2026-46136 In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buflen is used to limit the iterations for retrieving the country power setting and may underflow under certain...

CVE-2023-20938-poc

CVE-2023-20938 — Android binder UAF privilege escalation A local privilege escalation proof-of-concept for CVE-2023-20938 , a use-after-free in the Android binder driver. From an unprivileged shell it gains uid 0 and drops SELinux to permissive , then spawns a root shell. Target for this build:...

CVE-2022-0185-Case-Study

CVE-2022-0185-Case-Study This case study is a result of an assignment of ECE 9069: Introduction to Hacking : https://whisperlab.org/introduction-to-hacking/ CVE-2022-0185 Overview CVE-2022-0185 is a heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesyst...

PHP-FPM Path Info Buffer Underflow - Remote Code Execution

In PHP-FPM before 7.1.33, 7.2.x before 7.2.24, and 7.3.x before 7.3.11, when deployed in certain Nginx configurations with the fastcgisplitpathinfo directive, a crafted request with an empty PATHINFO can trigger a buffer underflow in the php-fpm code. This may allow an unauthenticated remote...

CVE-2020-1349

CVE-2020-1349 This vulnerability occurs in Outlook 2019 16.0.12624.20424 installed on Korean Windows 10 1909 x64, codepage 949. TLDR; I have not been able to bypass aslr using this vulnerability, but I have written an outlook 2019 32bit exploit that pops up a calculator using the address of a...

fluffi

FLUFFI FLUFFI - A distributed evolutionary binary fuzzer for pentesters. About the project High level overview Beginner Tutorial Getting started Usage HOWTOs Technical Details Contributing to FLUFFI LICENSE Bugs found So far, FLUFFI was almost exclusively used on SIEMENS products and solutions...

CVE-2022-0185-POC

CVE-2022-0185 — Proof of Concept A proof-of-concept exploit for CVE-2022-0185 , a heap-based buffer overflow in the Linux kernel's legacyparseparam function fs/fscontext.c. This allows a local unprivileged user to escalate privileges to root. Original exploit by Crusaders of Rust. Full writeup:...

CVE-2026-66729-Out-of-Bounds-Read-in-facil.io-MIME-Parser-leads-to-Server-Crash

Security Disclosure: Out-of-Bounds Read in facil.io MIME Parser leads to Server crash Assigned CVE ID CVE-2026-66729 Product: facil.io Affected versions: facil.io = 0.6.0 all 0.6.x, all 0.7.x, master; introduced when the MIME parser was added in 0.6.0 Component:...

CVE-2026-27654

CVE-2026-27654 NGINX ngxhttpdavmodule Heap Buffer Overflow via sizet Underflow Remote DoS / Potential RCE Description ngxhttpdavcopymovehandler in src/http/modules/ngxhttpdavmodule.c computes the destination URI length by subtracting the location prefix length from the Destination header's URI pa...

tools-for-CVE-2018-1000001

Tools for CVE-2018-1000001 Check vulnerability: $ cat /proc/sys/kernel/unprivilegedusernsclone Output: 1 If file "/proc/sys/kernel/unprivilegedusernsclone" does not exists: $ unshare -mU /bin/sh -c "sleep 5" & /bin/sh -c "sleep 1; cd /proc/$!/cwd; realpath .; kill -9 $!" The output must contain t...

CVE-2026-42980-POC

CVE-2026-42980 Public Disclosure This repository contains the public disclosure material for CVE-2026-42980 , a Windows kernel WMI integer-underflow vulnerability that can be exploited for local privilege escalation to NT AUTHORITY\SYSTEM on vulnerable lab builds. Full write-up English article...

CVE_2025_24257----NOT-MINE

🔧 CVE202524257----NOT-MINE - Run the Windows PoC Safely 🧾 Overview CVE202524257----NOT-MINE is a Windows proof of concept that shows a kernel memory bug in IOGPUFamily. It is based on a bitmapmask underflow that can lead to a kernel heap out-of-bounds write. This project is the first public PoC...

CVE-2026-81000

⚡ CVE-2026-81000 - TUNderflow Linux Kernel TUN/TAP Receive Headroom Memory Corruption A Linux kernel memory-corruption vulnerability in the TUN/TAP networking subsystem , caused by insufficient bounds on receive headroom and an integer underflow in the packet allocation path. ⚠️ Disclaimer This...

retbleed-speculative-execution-poc

Retbleed: Arbitrary Speculative Code Execution via RSB Underflow A hands-on reproduction of Retbleed CVE-2022-29900 / CVE-2022-29901 — the 2022 micro-architectural attack that broke the "Retpoline" defense by proving that ret instructions, long assumed safe, can be hijacked when the CPU's Return...