VDB-203864 · CVE-2022-28369 · GCVE-0-2022-28369

Verizon 5G Home LVSKIHP InDoorUnit 3.4.66.162 crtcrpc JSON Listener crtcmode.sh enable_ssh os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Verizon 5G Home LVSKIHP InDoorUnit 3.4.66.162. Affected by this issue is the function enable_ssh in the library /lib/functions/wnc_jsonsh/crtcmode.sh of the component crtcrpc JSON Listener. Such manipulation leads to os command injection. This vulnerability is traded as CVE-2022-28369. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability was found in Verizon 5G Home LVSKIHP InDoorUnit 3.4.66.162 and classified as critical. Affected by this issue is the function enable_ssh in the library /lib/functions/wnc_jsonsh/crtcmode.sh of the component crtcrpc JSON Listener. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 07/14/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-28369 since 04/03/2022. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/31/2022). The MITRE ATT&CK project declares the attack technique as T1202.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Verizon

Name

5G Home LVSKIHP InDoorUnit

Version

3.4.66.162

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/03/2022 🔍
07/14/2022 +102 days 🔍
07/14/2022 +0 days 🔍
07/31/2022 +17 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2022-28369 (🔍)
GCVE (CVE): GCVE-0-2022-28369
GCVE (VulDB): GCVE-100-203864

Entryinfo

Created: 07/14/2022 17:10
Updated: 07/31/2022 08:57
Changes: 07/14/2022 17:10 (40), 07/31/2022 08:57 (11)
Complete: 🔍
Cache ID: 216::103