CVE-2017-0935 : What You Need to Know

CVE-2017-0935, related to Ubiquiti Networks EdgeOS, exposes a vulnerability in versions 1.9.1.1 and earlier, allowing privilege escalation from a read-only operator account to admin access.

Understanding CVE-2017-0935

What is CVE-2017-0935?

The vulnerability in Ubiquiti Networks EdgeOS versions 1.9.1.1 and prior stems from improper privilege management due to the lack of file system protection. This flaw enables unauthorized users to elevate their privileges.

The Impact of CVE-2017-0935

The vulnerability permits attackers with read-only operator accounts to gain admin (root) access, compromising sensitive data and system integrity.

Technical Details of CVE-2017-0935

Vulnerability Description

The lack of file system protection in Ubiquiti Networks EdgeOS versions 1.9.1.1 and earlier results in an improper privilege management vulnerability, facilitating unauthorized privilege escalation.

Affected Systems and Versions

Product: EdgeRouter X
Vendor: Ubiquiti Networks
Versions Affected: EdgeOS v1.9.1.1 and prior

Exploitation Mechanism

Attackers exploit the vulnerability by leveraging a read-only operator account to escalate privileges to admin (root) access, enabling unauthorized access to sensitive information.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to the latest version of EdgeOS to mitigate the vulnerability.
Implement strong password policies and multi-factor authentication to enhance security.

Long-Term Security Practices

Regularly monitor and audit user privileges to prevent unauthorized access.
Conduct security training for users to raise awareness of privilege escalation risks.

Patching and Updates

Apply security patches and updates promptly to address known vulnerabilities and enhance system security.