CVE-2020-7869 : Exploit Details and Defense Strategies

ZOOK software, a remote administration tool, is affected by an improper input validation vulnerability that could allow a remote attacker to create arbitrary files. This CVE has a CVSS base score of 9.0, indicating a critical severity level.

Understanding CVE-2020-7869

This CVE pertains to a vulnerability in ZOOK software that enables unauthorized creation and execution of arbitrary files by exploiting the 'Tight file CMD' function in the ZOOK viewer.

What is CVE-2020-7869?

The CVE-2020-7869 vulnerability in ZOOK software allows remote attackers to create and execute arbitrary files within the ZOOK agent program without proper authorization.

The Impact of CVE-2020-7869

The vulnerability has a CVSS base score of 9.0, indicating a critical impact. The attack vector is through the network, with high impacts on confidentiality, integrity, and availability. User interaction is required for exploitation.

Technical Details of CVE-2020-7869

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in ZOOK software allows remote attackers to create and execute arbitrary files within the ZOOK agent program using the 'Tight file CMD' function without proper authorization.

Affected Systems and Versions

Affected Platforms: Windows
Affected Product: ZOOK
Affected Version: 2.0.4.6 (and below)

Exploitation Mechanism

The vulnerability can be exploited remotely through the network, requiring low privileges but user interaction is necessary. The attack complexity is low, and the scope is changed.

Mitigation and Prevention

To address CVE-2020-7869, follow these mitigation and prevention strategies:

Immediate Steps to Take

Disable or restrict access to the 'Tight file CMD' function in the ZOOK viewer.
Implement network segmentation to limit access to vulnerable systems.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update ZOOK software to the latest version to patch known vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Apply patches or updates provided by mastersoft for ZOOK software to address the vulnerability.