Review.CVE-2021-3156

👑 CVE-2021-3156 Baron Samedit — Privilege Escalation via Heap Overflow in sudo 📅 Date: 2025-06-08 ✍️ Author: @TopskiyPavelQwertyGang 🧠 Security Researcher | Red Team Enthusiast 🧠 CVE Overview CVE-ID: CVE-2021-3156 Type: Heap-based Buffer Overflow Component: sudoedit sudo Access Level: Local Goal:...

CVE-2021-3156

CVE-2021-3156: Heap-Based Buffer Overflow in Sudo Baron Samedit Root Exploit No BruteForce All research credit: Qualys Research Team Check out the details on their blog. Manually installed Ubuntu 20.04 LTS and Sudo version 1.8.31 on Docker container for testing purpose and running the command...

CVE-2018-4407

CVE-2018-4407 Massive IOS/MAC Attack Exploit CVE-2018-4407 is a Simple and Very Fast BOF attack Against IOS/MAC that can lead to DOS. The vulnerability is a heap buffer overflow in the networking code in the XNU operating system kernel. XNU is used by both iOS and macOS, which is why iPhones,...

Baron-Samedit-Heap-Buffer-Overflow-CVE-2021-3156

Baron-Samedit-Heap-Buffer-Overflow-CVE-2021-3156 Version Vulnarable To The Exploit The Baron Samedit vulnerability CVE-2021-3156 affects sudo legacy versions 1.8.2 through 1.8.31p2 and stable versions 1.9.0 through 1.9.5p1. This heap-based buffer overflow flaw was introduced in July 2011 via comm...

CVE-2009-4049

CVE-2009-4049 Heap-based buffer overflow in aswRdr.sys aka the TDI RDR driver in avast! Home and Professional 4.8.1356.0 allows local users to cause a denial of service memory corruption or possibly gain privileges via crafted arguments to IOCTL 0x80002024. While part of the reason as to why I di...

CVE-2023-38545-POC

CVE-2023-38545 POC for the curl command line tool This POC is based on the earlier POC created by UTsweetyfish, shared in this repository:https://github.com/UTsweetyfish/CVE-2023-38545. Contrary to that POC, this one is for the commandline tool and not the libcurl library, and doesn't require...

CVE-2021-3156

CVE-2021-3156 Description Sudo before 1.9.5p2 has a Heap-based Buffer Overflow, allowing privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character...

Important: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

libvirt: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow

A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows crafted values to bypass a size check, leading to an undersized memory buffer. Subsequently, real NUMA node data can overwrite this buffer...

Important: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

kernel: netfilter: nf_conntrack_h323: fix OOB read in decode_choice()

A flaw was found in the Linux kernel's nfconntrackh323 helper. A remote attacker could exploit this by sending a specially crafted Q.931 SETUP message to port 1720 through a firewall with the nfconntrackh323 helper active. This memory corruption vulnerability leads to an out-of-bounds read, which...

Important: Red Hat Security Advisory: libvirt security update

An update for libvirt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

nginx-cve-2026-42945-check

NGINX CVE-2026-42945 Local Checker Language: 中文 | English This repository provides two standalone local scripts for checking whether a Linux or Windows server has Nginx, OpenResty, or Tengine instances that may be exposed to CVE-2026-42945 related risk. The scripts are read-only. They do not run ...

CVE-2008-5416

CVE-2008-5416 Microsoft SQL Server spreplwritetovarbin Memory Corruption via SQL Injection A heap-based buffer overflow can occur when calling the undocumented "spreplwritetovarbin" extended stored procedure. This vulnerability affects all versions of Microsoft SQL Server 2000 and 2005, Windows...

CVE-2026-42945

CVE-2026-42945: NGINX Rift Heap Buffer Overflow Vulnerability Overview CVE-2026-42945 is a critical heap buffer overflow vulnerability in the NGINX server, known as "NGINX Rift". The vulnerability exists in the processing logic of the rewrite and set directives in NGINX. When specific configurati...

CVE-2021-3156

CVE-2021-3156 - Heap-Based Buffer Overflow in Sudo ⚠️ For educational and authorized security research purposes only Original Exploit Authors Very grateful to the original PoC author Qualys Research Team Description Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based...

CVE-2026-42945-POC

CVE-2026-42945 NGINX Rift - HTB-Ready Exploit Standalone exploit for the NGINX heap buffer overflow vulnerability discovered in 2024. This version is optimized for HackTheBox and CTF environments where you can't set up Docker containers. Vulnerability Details CVE-2026-42945 is a critical heap...

writeup_split

Abstract CVE-2024-0684 A vulnerability in the GNU coreutils "split" program allows for a heap buffer overflow with user controlled data. It was introduced in 40bf1591bb4362fa91e501bcec7c2029c5f65a43 on 2023-03-04. A fix has been released with c4c5ed8f4e9cd55a12966d4f520e3a13101637d9 on 2024-01-17...

CVE-2026-0006-openapv-poc

CVE-2026-0006: libopenapv Android APV コーデック のヒープバッファオーバーフロー Mobile Hacking Lab によるパッチ解析と再現 CVSS 9.8 Critical | 実際に悪用済み | 2026年3月パッチ適用 注記: この脆弱性は私たちが発見したものではありません。CVE-2026-0006の発見と責任ある報告のすべての功績は、元の研究者に帰属します。このリポジトリには、セキュリティコミュニティがこのバグクラスと悪用手法を理解するのに役立つよう、私たちが独立して行ったパッチ解析、再現、教育用解説 が含まれています。 概要...