CVE-2019-6323 : Security Advisory and Response

The HP Color LaserJet Pro M280-M281 Multifunction Printer series and HP LaserJet Pro MFP M28-M31 Printer series are affected by a reflected XSS vulnerability on the wireless configuration page.

Understanding CVE-2019-6323

This CVE identifies a security issue in the mentioned HP printer series that could be exploited through reflected XSS.

What is CVE-2019-6323?

The vulnerability in the HP printer series allows attackers to execute malicious scripts via the built-in web server's wireless configuration page.

The Impact of CVE-2019-6323

Exploiting this vulnerability could lead to unauthorized access, data theft, and potential compromise of the affected printers.

Technical Details of CVE-2019-6323

The following technical details provide insight into the vulnerability.

Vulnerability Description

The affected HP printer series have a built-in web server susceptible to reflected XSS attacks on the wireless configuration page.

Affected Systems and Versions

HP Color LaserJet Pro M280-M281 Multifunction Printer series before v. 20190419
HP LaserJet Pro MFP M28-M31 Printer series before v. 20190426

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting and executing malicious scripts through the wireless configuration page.

Mitigation and Prevention

Protecting your systems from CVE-2019-6323 is crucial. Follow these steps:

Immediate Steps to Take

Disable the affected printers' web interface if not required.
Regularly monitor for any unusual activities on the printers.
Implement network segmentation to isolate the printers from critical systems.

Long-Term Security Practices

Keep the printers' firmware up to date to patch known vulnerabilities.
Educate users on safe browsing practices to prevent XSS attacks.

Patching and Updates

Check for firmware updates from HP and apply them promptly to mitigate the vulnerability.