CVE-2017-18837 : Vulnerability Insights and Analysis

Vertical privilege escalation affects several NETGEAR devices including M4300-28G, M4300-52G, M4300-28G-POE+, M4300-52G-POE+, M4300-8X8F, M4300-12X12F, M4300-24X24F, M4300-24X, M4300-48X, and M4200. This vulnerability exists in versions prior to 12.0.2.15.

Understanding CVE-2017-18837

This CVE involves a vertical privilege escalation vulnerability impacting various NETGEAR devices.

What is CVE-2017-18837?

CVE-2017-18837 is a vulnerability that allows vertical privilege escalation on specific NETGEAR devices.

The Impact of CVE-2017-18837

The vulnerability has a CVSS base score of 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2017-18837

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to escalate privileges vertically on affected NETGEAR devices.

Affected Systems and Versions

Devices affected include M4300-28G, M4300-52G, M4300-28G-POE+, M4300-52G-POE+, M4300-8X8F, M4300-12X12F, M4300-24X24F, M4300-24X, M4300-48X, and M4200.
Vulnerable versions are those prior to 12.0.2.15.

Exploitation Mechanism

The vulnerability can be exploited locally with low privileges required, leading to high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

Protecting systems from CVE-2017-18837 is crucial to maintaining security.

Immediate Steps to Take

Update affected devices to version 12.0.2.15 or later to mitigate the vulnerability.
Monitor network activity for any signs of unauthorized access.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Implement strong access controls and least privilege principles to limit potential attack surfaces.

Patching and Updates

Stay informed about security advisories from NETGEAR and promptly apply recommended patches to address vulnerabilities.