CVE-2018-17873 : Security Advisory and Response
Learn about CVE-2018-17873, an access control flaw in WiFiRanger devices allowing unauthorized access to the root account. Find mitigation steps and prevention measures.
WiFiRanger devices with firmware version 7.0.8rc3 or earlier are vulnerable to an access control flaw in the FTP setup, allowing unauthorized access to the root account.
Understanding CVE-2018-17873
This CVE identifies an incorrect access control vulnerability in WiFiRanger devices that could lead to unauthorized access to sensitive information.
What is CVE-2018-17873?
A flaw in the FTP setup of WiFiRanger devices running firmware version 7.0.8rc3 or earlier results in an access control vulnerability. This vulnerability enables a nearby attacker to retrieve the SSH Private Key and gain unauthorized access to the root account.
The Impact of CVE-2018-17873
The vulnerability allows attackers with adjacent network access to read the SSH Private Key and potentially compromise the root account, leading to unauthorized system access and potential data breaches.
Technical Details of CVE-2018-17873
WiFiRanger devices with firmware version 7.0.8rc3 or earlier are affected by this vulnerability.
Vulnerability Description
An incorrect access control vulnerability in the FTP configuration of WiFiRanger devices with firmware version 7.0.8rc3 and earlier allows an attacker with adjacent network access to read the SSH Private Key and log in to the root account.
Affected Systems and Versions
- Product: WiFiRanger devices
- Vendor: Not applicable
- Versions: Firmware version 7.0.8rc3 and earlier
Exploitation Mechanism
Attackers with proximity to the targeted network can exploit this vulnerability to retrieve the SSH Private Key and gain unauthorized access to the root account.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-17873.
Immediate Steps to Take
- Update WiFiRanger devices to the latest firmware version that addresses the access control vulnerability.
- Restrict network access to authorized users only.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and security patches on all network devices.
- Implement strong access control measures and encryption protocols to secure sensitive data.
Patching and Updates
- Apply patches and updates provided by WiFiRanger to fix the access control vulnerability and enhance system security.