CVE-2023-2393 : Security Advisory and Response

This article provides details about CVE-2023-2393, a cross-site scripting vulnerability found in the Netgear SRX5308 Web Management Interface.

Understanding CVE-2023-2393

This section delves into the nature of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-2393?

CVE-2023-2393 is a cross-site scripting vulnerability discovered in the Netgear SRX5308 up to version 4.3.5-3. The vulnerability affects the Web Management Interface component of the device, specifically in the file

scgi-bin/platform.cgi?page=dmz_setup.htm

. By manipulating the argument

ConfigPort.LogicalIfName

, attackers can execute cross-site scripting attacks remotely. The exploit for this vulnerability has been disclosed publicly.

The Impact of CVE-2023-2393

The impact of this vulnerability lies in the ability for remote attackers to launch cross-site scripting attacks on affected Netgear SRX5308 devices. If exploited, this could lead to unauthorized access, data theft, and other malicious activities targeting users of the Web Management Interface module.

Technical Details of CVE-2023-2393

This section provides a more in-depth look into the vulnerability, its affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in question affects the Web Management Interface of Netgear SRX5308 devices by allowing remote attackers to execute cross-site scripting attacks through manipulation of the

ConfigPort.LogicalIfName

argument.

Affected Systems and Versions

Netgear SRX5308 devices up to version 4.3.5-3 are vulnerable to this cross-site scripting issue, specifically within the Web Management Interface module.

Exploitation Mechanism

The exploitation of CVE-2023-2393 involves manipulating the

ConfigPort.LogicalIfName

argument in the specified file to inject and execute malicious scripts remotely.

Mitigation and Prevention

To address the CVE-2023-2393 vulnerability, certain steps can be taken to mitigate risks and enhance the security of affected systems.

Immediate Steps to Take

Implement network firewalls and intrusion detection/prevention systems to filter and block malicious traffic.
Regularly monitor and analyze network traffic for any signs of suspicious activity.

Long-Term Security Practices

Keep software and firmware up to date with the latest patches and security updates.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Netgear has been informed of the vulnerability but has not responded yet. Users are advised to stay alert for any security advisories from Netgear regarding a patch or fix for CVE-2023-2393.