CVE-2017-7915 : What You Need to Know

A vulnerability known as the 'Improper Restriction of Excessive Authentication Attempts' has been discovered in various versions of Moxa OnCell devices, allowing attackers to bypass authentication through brute force.

Understanding CVE-2017-7915

This CVE identifies a security flaw in Moxa OnCell devices that can be exploited through brute force attacks to bypass authentication mechanisms.

What is CVE-2017-7915?

The vulnerability in Moxa OnCell devices allows attackers to use brute force to identify the necessary parameters to bypass authentication, compromising the system's security.

The Impact of CVE-2017-7915

This vulnerability can lead to unauthorized access to affected Moxa OnCell devices, potentially resulting in data breaches, unauthorized configuration changes, or other malicious activities.

Technical Details of CVE-2017-7915

This section provides detailed technical information about the CVE-2017-7915 vulnerability.

Vulnerability Description

The 'Improper Restriction of Excessive Authentication Attempts' vulnerability affects various versions of Moxa OnCell devices, enabling attackers to bypass authentication using brute force methods.

Affected Systems and Versions

Moxa OnCell G3110-HSPA Version 1.3 build 15082117 and earlier
OnCell G3110-HSDPA Version 1.2 Build 09123015 and earlier
OnCell G3150-HSDPA Version 1.4 Build 11051315 and earlier
OnCell 5104-HSDPA
OnCell 5104-HSPA
OnCell 5004-HSPA

Exploitation Mechanism

Attackers exploit this vulnerability by repeatedly attempting different combinations of authentication parameters until the correct ones are identified, allowing unauthorized access to the system.

Mitigation and Prevention

Protecting systems from CVE-2017-7915 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement strong password policies to mitigate brute force attacks.
Monitor authentication logs for unusual activity.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users on secure authentication practices.
Implement multi-factor authentication for enhanced security.

Patching and Updates

Regularly check for security updates and patches from Moxa for OnCell devices.
Keep the firmware of the devices up to date to address known vulnerabilities.