CVE-2022-28369

CVSS V2 None CVSS V3 Critical 9.8

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.

Overview

CVE ID
CVE-2022-28369

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-07-14T13:15:08

Last Modified Date
2022-07-21T02:03:04

Weakness Enumerations

CWE	URL
CWE-434	http://cwe.mitre.org/data/definitions/434.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:verizon:lvskihp_indoorunit_firmware:3.4.66.162:::::::*	1	OR
cpe:2.3:h:verizon:lvskihp_indoorunit:-:::::::*	0	OR

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/JousterL/SecWriteups/blob/main/Verizon%20LVSKIHP%205G%20Modem/readme.md
https://www.verizon.com/info/reportsecurityvulnerability/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-28369
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28369

History

Created	Old Value	New Value	Data Type	Notes
2022-07-14 14:00:15				Added to TrackCVE