CVE-2018-19248 : Security Advisory and Response

Remote attackers can take advantage of a vulnerability in the web service of Epson WorkForce WF-2861 devices to upload a firmware file and perform a printer reset without authentication.

Understanding CVE-2018-19248

This CVE involves a security vulnerability in Epson WorkForce WF-2861 printers that allows unauthorized users to reset the printer without authentication.

What is CVE-2018-19248?

The vulnerability in Epson WorkForce WF-2861 devices enables remote attackers to upload a firmware file and reset the printer without the need for authentication.

The Impact of CVE-2018-19248

Remote attackers can exploit this vulnerability to perform unauthorized printer resets.
Attackers can upload malicious firmware files, potentially leading to further compromise.

Technical Details of CVE-2018-19248

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to upload firmware files and reset the printer without authentication by sending specific requests to the printer's web service.

Affected Systems and Versions

Epson WorkForce WF-2861 10.48 LQ22I3 (Recovery-mode)
Epson WorkForce WF-2861 10.51.LQ20I6
Epson WorkForce WF-2861 10.52.LQ17IA

Exploitation Mechanism

Attackers can exploit the vulnerability by sending a request to the /DOWN/FIRMWAREUPDATE/ROM1 URI and a POST request to the /FIRMWAREUPDATE URI.

Mitigation and Prevention

Protecting systems from CVE-2018-19248 is crucial to prevent unauthorized access and potential compromise.

Immediate Steps to Take

Disable remote access to the printer's web service if not required.
Implement network segmentation to restrict access to the printer.
Regularly monitor and review printer logs for suspicious activities.

Long-Term Security Practices

Keep firmware and software up to date to patch known vulnerabilities.
Conduct regular security assessments and penetration testing on printers.

Patching and Updates

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