CVE-2017-18822 : Vulnerability Insights and Analysis

Vertical privilege escalation has been identified as a security issue affecting specific NETGEAR devices. The impacted devices include M4300-28G, M4300-52G, M4300-28G-POE+, M4300-52G-POE+, M4300-8X8F, M4300-12X12F, M4300-24X24F, M4300-24X, M4300-48X, and M4200.

Understanding CVE-2017-18822

This CVE involves a vertical privilege escalation vulnerability in certain NETGEAR devices.

What is CVE-2017-18822?

CVE-2017-18822 is a security vulnerability that allows vertical privilege escalation on specific NETGEAR devices.

The Impact of CVE-2017-18822

The vulnerability has a CVSS base score of 7.8 (High severity) with low attack complexity and privileges required. It can lead to high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2017-18822

This section provides more technical insights into the CVE.

Vulnerability Description

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

Affected Systems and Versions

M4300-28G prior to version 12.0.2.15
M4300-52G prior to version 12.0.2.15
M4300-28G-POE+ prior to version 12.0.2.15
M4300-52G-POE+ prior to version 12.0.2.15
M4300-8X8F prior to version 12.0.2.15
M4300-12X12F prior to version 12.0.2.15
M4300-24X24F prior to version 12.0.2.15
M4300-24X prior to version 12.0.2.15
M4300-48X prior to version 12.0.2.15
M4200 prior to version 12.0.2.15

Exploitation Mechanism

The vulnerability can be exploited locally with low privileges required, making it easier for attackers to perform privilege escalation.

Mitigation and Prevention

Protecting systems from CVE-2017-18822 is crucial to maintaining security.

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update and patch all network devices to prevent known vulnerabilities.
Implement strong access controls and least privilege principles to limit potential attack surfaces.

Patching and Updates

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