CVE-2017-2786 Explained : Impact and Mitigation

Pharos PopUp Printer Client version 9.0 is affected by a denial of service vulnerability due to a flaw in the psnotifyd application.

Understanding CVE-2017-2786

This CVE involves a vulnerability in the Pharos PopUp Printer Client version 9.0 that can lead to a denial of service attack.

What is CVE-2017-2786?

The vulnerability in the psnotifyd application of Pharos PopUp Printer Client version 9.0 allows attackers to trigger an out-of-bounds read process by sending a specially crafted packet, resulting in a crash and denial of service.

The Impact of CVE-2017-2786

CVSS Base Score: 5.3 (Medium)
Attack Vector: Network
Attack Complexity: Low
Availability Impact: Low
Privileges Required: None
Scope: Unchanged
This vulnerability does not impact confidentiality or integrity.

Technical Details of CVE-2017-2786

Pharos PopUp Printer Client version 9.0 is susceptible to a denial of service vulnerability in the psnotifyd application.

Vulnerability Description

The flaw allows attackers to crash the targeted system by exploiting an out-of-bounds read process.

Affected Systems and Versions

Affected Product: PopUp Printer Client
Vendor: Pharos
Affected Version: 9.0

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a carefully designed packet to the victim's computer, triggering the out-of-bounds read process.

Mitigation and Prevention

To address CVE-2017-2786, follow these mitigation strategies:

Immediate Steps to Take

Implement network-level protections to filter out malicious packets.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Apply security patches provided by Pharos to fix the vulnerability in the PopUp Printer Client version 9.0.