Skylab IIoT Gateway 1.2.12 IGX /etc/passwd access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Skylab IIoT Gateway 1.2.12. The impacted element is an unknown function of the file /etc/passwd of the component IGX. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2024-4163. The attack requires access to the local network. No exploit is available.

Detailsinfo

A vulnerability was found in Skylab IIoT Gateway 1.2.12. It has been declared as critical. This vulnerability affects an unknown functionality of the file /etc/passwd of the component IGX. 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. CVE summarizes:

The Skylab IGX IIoT Gateway allowed users to connect to it via a limited shell terminal (IGX). However, it was discovered that the process was running under root privileges. This allowed the attacker to read, write, and modify any file in the operating system by utilizing the limited shell file exec and download functions. By replacing the /etc/passwd file with a new root user entry, the attacker was able to breakout from the limited shell and login to a unrestricted shell with root access. With the root access, the attacker will be able take full control of the IIoT Gateway.

The advisory is shared for download at govtech-csg.github.io. This vulnerability was named CVE-2024-4163 since 04/25/2024. The exploitation appears to be easy. The attack can only be done within the local network. 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 04/26/2024). The MITRE ATT&CK project declares the attack technique as T1068.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA 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: Partially

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

04/25/2024 🔍
04/26/2024 +1 days 🔍
04/26/2024 +0 days 🔍
04/26/2024 +0 days 🔍

Sourcesinfo

Advisory: govtech-csg.github.io
Status: Not defined

CVE: CVE-2024-4163 (🔍)
GCVE (CVE): GCVE-0-2024-4163
GCVE (VulDB): GCVE-100-262060

Entryinfo

Created: 04/26/2024 07:45
Changes: 04/26/2024 07:45 (62)
Complete: 🔍
Cache ID: 216::103

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