Verizon 5G Home LVSKIHP InDoorUnit RPC Endpoint /etc/lighttpd.d/ca.pem access control

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Verizon 5G Home LVSKIHP InDoorUnit and 5G Home LVSKIHP OutDoorUnit. The affected element is an unknown function of the file /etc/lighttpd.d/ca.pem of the component RPC Endpoint. This manipulation causes access control. The identification of this vulnerability is CVE-2022-28371. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Verizon 5G Home LVSKIHP InDoorUnit and 5G Home LVSKIHP OutDoorUnit (affected version unknown). Affected by this vulnerability is an unknown functionality of the file /etc/lighttpd.d/ca.pem of the component RPC Endpoint. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 rely on a static certificate for access control. This certificate is embedded in the firmware, and is identical across the fleet of devices. An attacker need only download this firmware and extract the private components of these certificates (from /etc/lighttpd.d/ca.pem and /etc/lighttpd.d/server.pem) to gain access. (The firmware download location is shown in a device's upgrade logs.)

The weakness was shared 07/14/2022. The advisory is shared at github.com. This vulnerability is known as CVE-2022-28371 since 04/03/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.7
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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-2022-28371 (🔍)
GCVE (CVE): GCVE-0-2022-28371
GCVE (VulDB): GCVE-100-203869

Entryinfo

Created: 07/14/2022 17:17
Updated: 07/31/2022 09:12
Changes: 07/14/2022 17:17 (38), 07/31/2022 09:12 (11)
Complete: 🔍
Cache ID: 216::103

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