CVE-2020-7877 : Vulnerability Insights and Analysis
Learn about CVE-2020-7877, a buffer overflow vulnerability in ZOOK solution (remote administration tool) allowing remote arbitrary command execution. Find mitigation steps here.
A buffer overflow vulnerability in ZOOK solution (remote administration tool) allows remote attackers to execute arbitrary commands.
Understanding CVE-2020-7877
What is CVE-2020-7877?
A buffer overflow issue in ZOOK solution occurs when processing the 'ConnectMe' command, enabling attackers to execute remote arbitrary commands.
The Impact of CVE-2020-7877
The vulnerability has a CVSS base score of 8.0, with high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2020-7877
Vulnerability Description
The vulnerability arises due to a missing boundary check while parsing a crafted OUTERIP value.
Affected Systems and Versions
- Affected Products:
- ZOOKViewer_Setup.exe version 2.0.4.6
- ZOOKAgentSetup.exe version 2.0.6.1
- Platforms: Windows
Exploitation Mechanism
The vulnerability is exploited through crafted OUTERIP values in the 'ConnectMe' command, leading to buffer overflow and remote command execution.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Implement network segmentation to limit exposure.
- Monitor network traffic for signs of exploitation.
Long-Term Security Practices
- Regularly update software and systems.
- Conduct security assessments and penetration testing.
Patching and Updates
Ensure all affected systems are updated with the latest patches to mitigate the vulnerability.