CVE-2020-24397 : Vulnerability Insights and Analysis

An issue was discovered in the client side of Zoho ManageEngine Desktop Central 10.0.0.SP-534. An attacker-controlled server can trigger an integer overflow in InternetSendRequestEx and InternetSendRequestByBitrate that leads to a heap-based buffer overflow and Remote Code Execution with SYSTEM privileges.

Understanding CVE-2020-24397

This CVE identifies a vulnerability in Zoho ManageEngine Desktop Central that could allow remote code execution.

What is CVE-2020-24397?

The vulnerability in Zoho ManageEngine Desktop Central 10.0.0.SP-534 allows an attacker to exploit an integer overflow, leading to a heap-based buffer overflow and potential Remote Code Execution with SYSTEM privileges.

The Impact of CVE-2020-24397

The exploitation of this vulnerability could result in unauthorized remote code execution with elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2020-24397

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from an integer overflow in InternetSendRequestEx and InternetSendRequestByBitrate, enabling a heap-based buffer overflow.

Affected Systems and Versions

Product: Zoho ManageEngine Desktop Central 10.0.0.SP-534
Vendor: Zoho ManageEngine
Versions: All versions are affected

Exploitation Mechanism

An attacker-controlled server can exploit the integer overflow to trigger a heap-based buffer overflow, leading to Remote Code Execution with SYSTEM privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-24397 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches promptly
Implement network segmentation to limit the impact of potential attacks
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities
Conduct security assessments and penetration testing to identify and mitigate risks
Educate users on security best practices to prevent social engineering attacks

Patching and Updates

Ensure that the affected Zoho ManageEngine Desktop Central version is updated with the latest patches to mitigate the vulnerability.