CVE-2019-12703 : Security Advisory and Response

A weakness in the web-based management interface of Cisco SPA122 ATA with Router Devices allows adjacent, unauthenticated attackers to conduct cross-site scripting attacks.

Understanding CVE-2019-12703

This CVE involves a vulnerability in Cisco SPA122 ATA with Router Devices that could lead to the execution of arbitrary script code or access to sensitive information.

What is CVE-2019-12703?

The vulnerability arises from inadequate validation of user-supplied input in the affected software's web-based management interface.

The Impact of CVE-2019-12703

If exploited, attackers can execute arbitrary script code within the affected interface's context or gain access to sensitive, browser-based information.

Technical Details of CVE-2019-12703

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows adjacent, unauthenticated attackers to initiate cross-site scripting attacks by sending manipulated DHCP requests containing malicious input.

Affected Systems and Versions

Product: Cisco SPA122 ATA with Router
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

Attacker sends manipulated DHCP requests with malicious input to the affected software.
Convince a user to click on a specifically crafted hyperlink.

Mitigation and Prevention

Protect your systems from CVE-2019-12703 with the following steps:

Immediate Steps to Take

Implement network segmentation to limit exposure.
Regularly monitor and analyze network traffic for signs of malicious activity.

Long-Term Security Practices

Conduct regular security training for users to recognize and avoid social engineering attacks.
Keep software and systems up to date with the latest security patches.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the vulnerability.