Vulnerability Description
On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints provide a means of provisioning a firmware update for the device via crtc_fw_upgrade or crtcfwimage. The URL provided is not validated, and thus allows for arbitrary file upload to the device. This occurs in /lib/lua/luci/crtc.lua (IDU) and /lib/functions/wnc_jsonsh/wnc_crtc_fw.sh (ODU).
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Verizon | Lvskihp Indoorunit Firmware | 3.4.66.162 |
| Verizon | Lvskihp Indoorunit | - |
| Verizon | Lvskihp Outdoorunit Firmware | 3.33.101.0 |
| Verizon | Lvskihp Outdoorunit | - |
Related Weaknesses (CWE)
References
- https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20ModemExploitThird Party Advisory
- https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory
- https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20ModemExploitThird Party Advisory
- https://www.verizon.com/info/reportsecurityvulnerability/Vendor Advisory
FAQ
What is CVE-2022-28372?
CVE-2022-28372 is a vulnerability with a CVSS score of 7.5 (HIGH). On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC endpoints provide a means of provisioning a firmware update for the device via crt...
How severe is CVE-2022-28372?
CVE-2022-28372 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-28372?
Check the references section above for vendor advisories and patch information. Affected products include: Verizon Lvskihp Indoorunit Firmware, Verizon Lvskihp Indoorunit, Verizon Lvskihp Outdoorunit Firmware, Verizon Lvskihp Outdoorunit.