security-research

Security Research A collection of files related to my personal security research. Additional content will be posted on my blog https://blog.mirch.io. Tools Tool| Description ---|--- openssldircheck| Windows utility to check for potential insecure paths used by the OPENSSLDIR build parameter in...

CVE-2019-1476

CVE-2019-1476 AppXSvc Arbitrary File Overwrite DoS I have independently reported this vulnerability to MSRC as part of my research inspired by CVE-2019-0841 originally reported by Nabeel Ahmed. This vulnerability allows a regular user to overwrite arbitrary files. However, the attacker's...

Dirty-Pipe-CVE-2022-0847

Dirty-Pipe-CVE-2022-0847 CVE-2022-0847 Dirty Pipe is an arbitrary file overwrite vulnerability that allows escalation of privileges by modifying or overwriting arbitrary read-only files e.g. /etc/passwd, /etc/shadow. Steps 1. Compile using gcc cve-2022-0847-exploit.c -o cve-2022-0847-exploit 2. R...

CVE-2024-37726-MSI-Center-Local-Privilege-Escalation

CVE-2024-37726 MSI Center Local Privilege Escalation - Arbitrary File Overwrite Vulnerability Vulnerability Summary A local privilege escalation vulnerability on Windows OS has been identified in MSI Center versions = 2.0.36.0, which allows a low-privileged user to arbitrarily overwrite or delete...

CVE-2026-23745

CVE-2026-23745: node-tar Arbitrary File Overwrite Research: Joshua van Rijswijk Description PoC for CVE-2026-23745 , a high-severity path traversal vulnerability in node-tar 7.5.2. The library fails to sanitize absolute paths in the linkpath field for Hardlinks and Symlinks. This allows malicious...

CVE-2024-37726-MSI-Center-Local-Privilege-Escalation

CVE-2024-37726 MSI Center Local Privilege Escalation - Arbitrary File Overwrite Vulnerability...

CVE-2026-115905

The zip library for Rust (through version 9.0.4 ) is vulnerable to a critical parser differential and security control bypass caused by dual-header inconsistencies, often referred to as Zip Cloaking . The root cause resides in src/read/stream.rs, where ZipArchive treats Central Directory File Hea...

CVE-2022-43293

Exploits for CVE-2022-43293 To get a persistent Windows Denial of Service as shown in the POC above, simply run Exploit.bat and enter %windir%\system32\cng.sys when you're asked which file you want to overwrite. Here you can find my Arbitrary File Write\Overwrite Vulnerability report. Here you ca...

CVE-2026-21436

CVE-2026-21436 eopkg = 4.3.4, the Solus OS package manager, writes files containing absolute paths in package contents directly to the specified directory during the installation of packages with the .eopkg extension. Even if the --destdir parameter, used to install the package to a specific...

Cve-2025-8088-WinRar-vulnerability

Cve-2025-8088 WinRAR Python tool that creates a malicious RAR file to exploit the CVE-2025-8088 vulnerability in WinRAR. The CVE-2025-8088 vulnerability allows exploitation of manipulated RAR files to cause path traversal and overwrite arbitrary files on the victim's system. This project is for...

lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode

A flaw was found in lrzsz. The lrz receive utility fails to properly sanitize absolute file paths in restricted mode, only checking for relative path traversal sequences. A remote attacker transmitting files can exploit this vulnerability to write or overwrite arbitrary files outside the intended...

Important: lrzsz security, bug fix, and enhancement update

Lrzsz consisting of lrz and lsz is a cosmetically modified zmodem/ymodem/xmodem package built from the public-domain version of the rzsz package. Lrzsz was created to provide a working GNU copylefted Zmodem solution for Linux systems. Security Fixes: lrzsz: lrzsz: Arbitrary file overwrite via...

Rocky Linux 10.2 [CIQ] Security Update: lrzsz / lrzsz-debuginfo / lrzsz-debugsource Multiple Vulnerabilities (crlsa-2026_86056)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202686056 advisory. lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode CVE-2026-105840 lrzsz: lrzsz: Arbitrary command execution via...

RHEL 10 : lrzsz (RHSA-2026:86056)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:86056 advisory. Lrzsz consisting of lrz and lsz is a cosmetically modified zmodem/ymodem/xmodem package built from the public-domain version of the rzsz...

RockyLinux 10 : lrzsz (RLSA-2026:86056)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:86056 advisory. lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode CVE-2026-105840 lrzsz: lrzsz: Arbitrary command execution via...

AlmaLinux 10 : lrzsz (ALSA-2026:86056)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:86056 advisory. lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode CVE-2026-105840 lrzsz: lrzsz: Arbitrary command execution via...

Symlink Attack

Overview Affected versions of this package are vulnerable to Symlink Attack via ViaTemplateActivator.generate and PyEnvCfg.write, which write generated activation scripts and pyvenv.cfg without first atomically replacing any existing symbolic or hard link at the destination path...

CVE-2026-113721

A flaw was found in virtualenv. A local attacker can exploit this issue by pre-creating symbolic or hard links in a destination directory before an environment is set up. Because virtualenv does not properly check or replace existing links when writing configuration and activation files, it can...

lrzsz: lrzsz: Arbitrary file overwrite via absolute path traversal in restricted mode

A flaw was found in lrzsz. The lrz receive utility fails to properly sanitize absolute file paths in restricted mode, only checking for relative path traversal sequences. A remote attacker transmitting files can exploit this vulnerability to write or overwrite arbitrary files outside the intended...

ALSA-2026:86056 Important: lrzsz security, bug fix, and enhancement update

Lrzsz consisting of lrz and lsz is a cosmetically modified zmodem/ymodem/xmodem package built from the public-domain version of the rzsz package. Lrzsz was created to provide a working GNU copylefted Zmodem solution for Linux systems. Security Fixes: lrzsz: lrzsz: Arbitrary file overwrite via...