Abusing Interactive Voice Response systems – Legacy Telecom [CVE-2018-11518]

Abusing Interactive Voice Response systems – Legacy Telecom [CVE-2018-11518] A vulnerability tracked as CVE-2018-11518 could be exploited by attackers to power a phreaking attack on HCL legacy Interactive Voice Response systems that do not use VoIP. These IVR systems rely on various frequencies of audio signals; based on the frequency, certain commands and functions are processed. Since these frequencies are accepted within a phone call, an attacker can […] The post Abusing Interactive Voice Response systems – Legacy Telecom [CVE-2018-11518] appeared first on Security Affairs. Read More At -> https://blog.cripperz.sg/2018/05/29/abusing-interactive-voice-response-systems-legacy-telecom-cve-2018-11518/