CVE-2017-2788 : Security Advisory and Response

Pharos PopUp Printer Client version 9.0 is affected by a critical buffer overflow vulnerability that can be exploited for remote code execution.

Understanding CVE-2017-2788

This CVE involves a buffer overflow vulnerability in the psnotifyd application of Pharos PopUp Printer Client version 9.0.

What is CVE-2017-2788?

The vulnerability allows an attacker to trigger a heap-based buffer overflow by sending a specially crafted packet to the targeted computer. The client, running with root privileges, is constantly active, making it exploitable without user interaction.

The Impact of CVE-2017-2788

The vulnerability has a CVSS v3.0 base score of 10 (Critical) with high impacts on confidentiality, integrity, and availability. It poses a significant risk of remote code execution.

Technical Details of CVE-2017-2788

Pharos PopUp Printer Client version 9.0 vulnerability details.

Vulnerability Description

Buffer overflow in psnotifyd application
Allows remote code execution

Affected Systems and Versions

Product: PopUp Printer Client
Vendor: Pharos
Version: 9.0

Exploitation Mechanism

Attacker sends a carefully crafted packet
Triggers a heap-based buffer overflow
Potential for remote code execution

Mitigation and Prevention

Protecting systems from CVE-2017-2788.

Immediate Steps to Take

Disable or restrict network access to vulnerable systems
Apply vendor-supplied patches or updates
Monitor network traffic for signs of exploitation

Long-Term Security Practices

Regularly update software and firmware
Implement network segmentation to limit the impact of successful attacks
Conduct security assessments and penetration testing

Patching and Updates

Check vendor advisories for patches
Apply security updates promptly to mitigate the vulnerability