CVE-2020-26878 : Security Advisory and Response
Learn about CVE-2020-26878 affecting Ruckus through 1.5.1.0.21, allowing authenticated users to execute arbitrary commands as root via web.py. Find mitigation steps and patching recommendations here.
Ruckus through 1.5.1.0.21 is affected by remote command injection, allowing an authenticated user to execute arbitrary commands as the root user via web.py.
Understanding CVE-2020-26878
What is CVE-2020-26878?
CVE-2020-26878 is a vulnerability in Ruckus through version 1.5.1.0.21 that enables remote command injection through the API endpoint.
The Impact of CVE-2020-26878
The vulnerability allows an authenticated user to execute commands as the root user, potentially leading to unauthorized access and control of the system.
Technical Details of CVE-2020-26878
Vulnerability Description
The issue arises from improper input validation in the API endpoint (/service/v1/createUser), enabling the injection of malicious commands.
Affected Systems and Versions
- Product: Ruckus
- Version: 1.5.1.0.21
Exploitation Mechanism
- An authenticated user can exploit the vulnerability by submitting a crafted query to the API endpoint, allowing the execution of arbitrary commands as the root user.
Mitigation and Prevention
Immediate Steps to Take
- Disable API access if not required to mitigate the risk of exploitation.
- Implement strict input validation to prevent command injection attacks.
Long-Term Security Practices
- Regularly update and patch the Ruckus software to address known vulnerabilities.
Patching and Updates
- Apply the latest security patches provided by Ruckus to fix the remote command injection vulnerability.