CVE-2017-2750 : What You Need to Know

HP Inc. printers are vulnerable to the execution of unauthorized code due to insufficient validation of DLL signatures in certain firmware versions.

Understanding CVE-2017-2750

This CVE involves a security vulnerability in HP LaserJet Enterprise, PageWide Enterprise, Managed, and OfficeJet Enterprise printers.

What is CVE-2017-2750?

The lack of proper validation for DLL signatures in specific firmware versions of HP printers could allow attackers to execute unauthorized code.

The Impact of CVE-2017-2750

This vulnerability poses a significant risk as it enables the execution of arbitrary code on affected HP printers, potentially leading to unauthorized access and control.

Technical Details of CVE-2017-2750

HP Inc. printers are susceptible to unauthorized code execution due to a lack of proper DLL signature validation.

Vulnerability Description

The vulnerability arises from inadequate validation of DLL signatures in HP LaserJet Enterprise, PageWide Enterprise, Managed, and OfficeJet Enterprise printers before specific firmware versions.

Affected Systems and Versions

Affected products: HP LaserJet Enterprise, PageWide Enterprise, Managed, and OfficeJet Enterprise printers
Vulnerable firmware versions: 2308937_578479, 2405087_018548, and other unspecified versions

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious DLL files with invalid signatures, allowing them to execute unauthorized code on vulnerable HP printers.

Mitigation and Prevention

To address CVE-2017-2750 and enhance printer security, follow these mitigation strategies:

Immediate Steps to Take

Update firmware to the latest version provided by HP Inc.
Implement network segmentation to isolate printers from potentially compromised systems
Monitor network traffic for any suspicious activities targeting printers

Long-Term Security Practices

Regularly update printer firmware to patch known vulnerabilities
Conduct security assessments and penetration testing on printers to identify and address potential weaknesses

Patching and Updates

HP Inc. has released firmware updates addressing the DLL signature validation issue; ensure all affected printers are promptly updated to the latest firmware version.