CVE-2021-3156

CVE-2021-3156 注意：这些说明是我自己的，并且是我的一次直播中的笔记。如果有任何错误，请告诉我。请首先信任官方来源！ 大家好， 几天前，sudo 中发现了一个严重的堆缓冲区溢出漏洞，任何本地用户都可以利用它。发现者将其命名为 Baron Samedit。该漏洞可被利用来将权限提升至 root，即使该用户不在 sudoers 文件中也是如此。利用该漏洞无需用户身份验证。它通常被称为 CVE-2021-3156。 演示 你可以在这里看到多位安全研究人员录制的实际演示。 受影响的 Sudo 版本： 受影响的 Sudo 版本为 1.8.2 到 1.8.31p2，以及 1.9.0 到...

nginx-rift-detect

nginx-rift-detect Behavioral detection script for CVE-2026-42945 NGINX Rift — a heap buffer overflow in ngxhttprewritemodule present in nginx since 2008. ⚠️ Disclaimer This tool is intended solely for authorized security testing and research. Only run this against systems you own or have explicit...

Apple-Remote-Crash-Tool-CVE-2018-4407

Apple-Remote-Crash-Tool-CVE-2018-4407 Crashes any macOS High Sierra or iOS 11 device that is on the same WiFi network Just a small Tool that uses a public 'heap buffer overflow vulnerability' CVE-2018-4407 and makes it easier to exploit whole networks. Requirements MacOS Python installed Scapy...

fgt-cve-2023-27997-exploit

fgt-cve-2023-27997-exploit FortiGate SSL‑VPN CVE‑2023‑27997 Exploit PoC Script with ROP Chain Table of Contents Description Affected Versions Installation Usage Example Output Technical Details Warnings References Description fgt-cve-2023-27997-exploit.py is a Proof‑of‑Concept PoC exploit script...

CVE-2023-4683-Test

CVE-2023-4683-Test This repo holds an easy to use POC for CVE-2023-4683. Just git clone this repo and either extract webp-test or run setup-webp-test.sh. webp-test already has the necessary files git commit 7ba44f80f3b94fc0138db159afea770ef06532a0 of https://chromium.googlesource.com/webm/libwebp...

corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly

A heap-based buffer overflow was found in Corosync's Totem Process Group totempg message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent attacker able to send crafted multicast...

CVE-2026-42945

RIFT — Remote Injection & Fault Trigger Author: Michael Sanji Winaya Prawiradibrata AI Co-Author: Varanus — sahabatku Heap buffer overflow exploit framework targeting NGINX's ngxhttprewritemodule. Satu tool untuk reconnaissance + exploitation. Zero external dependencies. Isi Repo File| Deskripsi...

CVE-2023-6931

CVE-2023-6931 Kernel Panic PoC for CVE-2023-6931 Description CVE-2023-6931 is a vulnerability in perfevent that leads to a heap buffer overflow caused by an integer overflow in the readsize of a group. What is a Performance Event perf event? perfevents is a performance monitoring and analysis...

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-2024-26229

CVE-2024-26229 Windows CSC service privilege escalation vulnerability. When a program writes more data to a buffer than its capacity, a heap-based buffer overflow occurs, causing excess data to overflow into adjacent memory areas. This overflow can corrupt memory and may allow an attacker to...

coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values

A flaw was found in GNU coreutils, specifically in the unexpand utility. This vulnerability, a heap-based buffer overflow, occurs due to an integer overflow when unexpand processes unusually large tab stop values provided by a local attacker. This can lead to an undersized memory buffer, allowing...

CVE-2021-3156

CVE-2021-3156 Description Sudo 1.9.5p2 之前版本存在堆缓冲区溢出漏洞，允许通过 "sudoedit -s" 以及以单个反斜杠字符结尾的命令行参数将权限提升至 root。...

CVE-2023-40294-and-CVE-2023-40295

While I was running boron in my environment, I happened to stumble upon 2 heap buffer overflows in libboron libboron.so.2 version 2.0.8 when processing slightly malformed input. This has been officially tested on both Mac x8664 and Linux x8664: Files for reproduction reproduction.zip Compiling...

CVE-2022-44318

Description of CVE-2022-44318 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StringStrcat function in cstdlib/string.c when called from ExpressionParseFunctionCall. Any project or library that uses Picoc also suffers from this issue. An example of this would be...

nginx-rift-check

nginx-rift-check Finds configurations vulnerable to CVE-2026-42945 , the heap buffer overflow in nginx's ngxhttprewritemodule. Running an affected nginx version 0.6.27 through 1.30.0 is not enough to be exploitable. The configuration has to contain a specific pair of directives, and that pair is...

CVE-2026-81634

A flaw was found in Unbound. This vulnerability allows a remote attacker to cause a heap buffer overflow during the processing of DNSSEC responses. By sending a specially crafted DNSSEC response, a malicious server or an attacker tampering with network traffic can trigger this flaw. This could le...

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...

postgresql: PostgreSQL: Arbitrary code execution via plperl tied hash heap buffer overflow

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the plperl component when returning a tied hash. This allows a function owner to execute arbitrary code as the operating system user running the database by providing a specially crafted function body. This could lead ...

postgresql: PostgreSQL: Arbitrary code execution via long POSIX timezone abbreviation

A heap buffer overflow flaw was found in the PostgreSQL tochartimestamptz function. An attacker can exploit this by supplying an overly long POSIX timezone abbreviation to execute arbitrary code as the database's operating system user, potentially resulting in complete system compromise...

postgresql: PostgreSQL: Arbitrary code execution via heap buffer overflow in regexp

A flaw was found in PostgreSQL. A heap buffer overflow vulnerability exists in the regexp component, which can be triggered by a query author providing text that does not pass encoding validation. This can lead to unanticipated data growth, allowing the attacker to execute arbitrary code as the...