CVE-2022-28369 — CRITICAL (9.8)

Vulnerability Description

Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmode function's enable_ssh sub-operation of the crtcrpc JSON listener (found at /lib/functions/wnc_jsonsh/crtcmode.sh) A remote attacker on the local network can provide a malicious URL. The data (found at that URL) is written to /usr/sbin/dropbear and then executed as root.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Verizon	Lvskihp Indoorunit Firmware	3.4.66.162
Verizon	Lvskihp Indoorunit	-

Related Weaknesses (CWE)

CWE-434

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-2022-28369?

CVE-2022-28369 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmode function's enable_ssh sub-operation of the crtcrpc JSON listener (found at /lib/function...

How severe is CVE-2022-28369?

CVE-2022-28369 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-28369?

Check the references section above for vendor advisories and patch information. Affected products include: Verizon Lvskihp Indoorunit Firmware, Verizon Lvskihp Indoorunit.