CVE-2018-10703 : Security Advisory and Response

A vulnerability was found in Moxa AWK-3121 1.14 devices that allows attackers to execute arbitrary commands on the device through a buffer overflow in the "iw_serverip" POST parameter.

Understanding CVE-2018-10703

This CVE involves a security issue in Moxa AWK-3121 1.14 devices that enables attackers to exploit a buffer overflow vulnerability to execute unauthorized commands.

What is CVE-2018-10703?

The vulnerability in Moxa AWK-3121 1.14 devices allows attackers to run arbitrary commands on the device by manipulating a specific POST parameter.

The Impact of CVE-2018-10703

The exploitation of this vulnerability can lead to unauthorized execution of commands on the affected device, potentially compromising its security and integrity.

Technical Details of CVE-2018-10703

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

Vulnerability Description

The flaw in the "iw_serverip" POST parameter of Moxa AWK-3121 1.14 devices can be exploited by sending a specially crafted packet with a 480-character string, enabling attackers to execute arbitrary commands.

Affected Systems and Versions

Affected Systems: Moxa AWK-3121 1.14 devices
Affected Versions: 1.14

Exploitation Mechanism

Attackers can exploit the buffer overflow vulnerability in the "iw_serverip" POST parameter by sending a crafted packet containing a specific string, allowing them to execute unauthorized commands on the device.

Mitigation and Prevention

Protecting systems from CVE-2018-10703 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable any unnecessary services or features on the affected device to reduce the attack surface.
Implement network segmentation to isolate the vulnerable device from critical systems.
Monitor network traffic for any suspicious activities that may indicate an ongoing attack.

Long-Term Security Practices

Regularly update and patch the device's firmware to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Educate system administrators and users about best practices for device security.

Patching and Updates

Ensure that the device manufacturer's official patches and updates are applied promptly to mitigate the vulnerability and enhance overall security.