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2 vulnerabilities found for legacy_ivr_firmware by hcltech
CVE-2018-11518 (GCVE-0-2018-11518)
Vulnerability from nvd – Published: 2018-05-30 20:00 – Updated: 2024-08-05 08:10
VLAI
EPSS
VEX
Summary
A vulnerability allows a phreaking attack on HCL legacy IVR 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 record these frequencies and use them for service activations. This is a request-forgery issue when the required series of DTMF signals for a service activation is predictable (e.g., the IVR system does not speak a nonce to the caller). In this case, the IVR system accepts an activation request from a less-secure channel (any loudspeaker in the caller's physical environment) without verifying that the request was intended (it matches a nonce sent over a more-secure channel to the caller's earpiece).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://twitter.com/mishradhiraj_/status/10016644… | x_refsource_MISC |
| https://datarift.blogspot.com/2018/05/CVE-2018-11… | x_refsource_MISC |
| http://virgil-cj.blogspot.com/2018/05/0day-legacy… | x_refsource_MISC |
| https://twitter.com/mishradhiraj_/status/10016642… | x_refsource_MISC |
Date Public
2018-05-30 00:00
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CVE-2018-11518 (GCVE-0-2018-11518)
Vulnerability from cvelistv5 – Published: 2018-05-30 20:00 – Updated: 2024-08-05 08:10
VLAI
EPSS
VEX
Summary
A vulnerability allows a phreaking attack on HCL legacy IVR 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 record these frequencies and use them for service activations. This is a request-forgery issue when the required series of DTMF signals for a service activation is predictable (e.g., the IVR system does not speak a nonce to the caller). In this case, the IVR system accepts an activation request from a less-secure channel (any loudspeaker in the caller's physical environment) without verifying that the request was intended (it matches a nonce sent over a more-secure channel to the caller's earpiece).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://twitter.com/mishradhiraj_/status/10016644… | x_refsource_MISC |
| https://datarift.blogspot.com/2018/05/CVE-2018-11… | x_refsource_MISC |
| http://virgil-cj.blogspot.com/2018/05/0day-legacy… | x_refsource_MISC |
| https://twitter.com/mishradhiraj_/status/10016642… | x_refsource_MISC |
Date Public
2018-05-30 00:00
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