CVE-2017-2787 : Vulnerability Insights and Analysis
Learn about CVE-2017-2787 affecting Pharos PopUp Printer Client version 9.0. Discover the critical buffer overflow vulnerability enabling remote code execution without user interaction.
Pharos PopUp Printer Client version 9.0 is affected by a critical buffer overflow vulnerability that can lead to remote code execution.
Understanding CVE-2017-2787
The vulnerability in the Pharos PopUp Printer Client version 9.0 allows attackers to exploit a heap-based buffer overflow, potentially enabling remote code execution without user interaction.
What is CVE-2017-2787?
The application psnotifyd in the Pharos PopUp Printer Client version 9.0 contains a buffer overflow vulnerability. By sending a meticulously designed packet to the targeted computer, an attacker can trigger a heap-based buffer overflow that may potentially allow remote code execution.
The Impact of CVE-2017-2787
The vulnerability has a CVSS base score of 9, indicating a critical severity level. It poses a high risk to confidentiality, integrity, and availability, with no user interaction required for exploitation.
Technical Details of CVE-2017-2787
Vulnerability Description
A buffer overflow exists in the psnotifyd application of the Pharos PopUp Printer Client version 9.0. A specially crafted packet can lead to a heap-based buffer overflow, potentially resulting in remote code execution.
Affected Systems and Versions
- Product: PopUp Printer Client
- Vendor: Pharos
- Version: 9.0
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- Scope: Changed
- Exploitation does not require user interaction as the client is continuously active and operates with root privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Implement network segmentation to limit exposure.
- Monitor network traffic for signs of exploitation.
Long-Term Security Practices
- Regularly update and patch software to address vulnerabilities.
- Conduct security assessments and penetration testing to identify weaknesses.
Patching and Updates
- Stay informed about security advisories from Pharos.
- Continuously monitor for patches and updates to address known vulnerabilities.