CVE-2023-2388 : Security Advisory and Response

This CVE record pertains to a vulnerability identified in the Netgear SRX5308 firewall system's Web Management Interface, allowing for cross-site scripting attacks.

Understanding CVE-2023-2388

The vulnerability in question impacts Netgear SRX5308 devices up to version 4.3.5-3, specifically affecting the Web Management Interface. Exploitation involves manipulating an argument within the system that leads to cross-site scripting. The issue was classified as problematic due to its potential remote exploitability.

What is CVE-2023-2388?

The vulnerability in Netgear SRX5308's Web Management Interface allows attackers to execute cross-site scripting attacks by manipulating the smtpServer.fromAddr argument. This can lead to unauthorized script execution on the target system.

The Impact of CVE-2023-2388

With a CVSS base score of 2.4 (low severity), this vulnerability could be exploited remotely by malicious actors to launch cross-site scripting attacks on affected Netgear SRX5308 devices running up to version 4.3.5-3. The risk lies in unauthorized script execution that could compromise the integrity of the system.

Technical Details of CVE-2023-2388

The vulnerability allows for the manipulation of the smtpServer.fromAddr argument within the file scgi-bin/platform.cgi?page=firewall_logs_email.htm of Netgear SRX5308's Web Management Interface, resulting in cross-site scripting. The exploit has been disclosed publicly with identifier VDB-227666.

Vulnerability Description

The flaw stems from an unspecified functionality within the mentioned file that enables attackers to inject and execute malicious scripts on the target system remotely.

Affected Systems and Versions

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

Exploitation Mechanism

By influencing the smtpServer.fromAddr argument with arbitrary data, threat actors can exploit the vulnerability to execute cross-site scripting attacks remotely.

Mitigation and Prevention

To address CVE-2023-2388, immediate steps and long-term security practices are recommended to safeguard affected systems from potential exploitation.

Immediate Steps to Take

Implement firewall rules to restrict external access to the Web Management Interface.
Apply patches or updates from Netgear to remediate the vulnerability.
Monitor network traffic for any suspicious activities that might indicate an ongoing attack.

Long-Term Security Practices

Regularly update and patch the Netgear SRX5308 devices to mitigate known vulnerabilities.
Conduct security audits and assessments to identify and address any potential weaknesses in the system.
Educate users and administrators on best practices for secure device configuration and usage.

Patching and Updates

Netgear should release a patch or firmware update to address the cross-site scripting vulnerability in the SRX5308 Web Management Interface. Users are advised to promptly apply the provided fixes to secure their systems against potential exploitation.