CVE-2020-10626 Explained : Impact and Mitigation

Fazecast jSerialComm, Version 2.2.2 and prior, is affected by an uncontrolled search path element vulnerability that could allow the execution of arbitrary code.

Understanding CVE-2020-10626

In this CVE, a security flaw in Fazecast jSerialComm, Version 2.2.2 and earlier versions poses a risk of arbitrary code execution due to an uncontrolled search path element vulnerability.

What is CVE-2020-10626?

This CVE identifies a vulnerability in Fazecast jSerialComm, Version 2.2.2 and prior, where a malicious DLL file with the same name as any resident DLLs in the software installation can be used to execute arbitrary code.

The Impact of CVE-2020-10626

The vulnerability could be exploited by an attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, or system compromise.

Technical Details of CVE-2020-10626

Fazecast jSerialComm, Version 2.2.2 and prior, is susceptible to the following:

Vulnerability Description

An uncontrolled search path element vulnerability allows a malicious DLL file to execute arbitrary code by leveraging the same name as resident DLLs in the software installation.

Affected Systems and Versions

Product: Fazecast jSerialComm, Version 2.2.2 and prior
Vendor: n/a

Exploitation Mechanism

The vulnerability can be exploited by placing a malicious DLL file with a matching name to a legitimate DLL within the software's installation directory, leading to the execution of arbitrary code.

Mitigation and Prevention

To address CVE-2020-10626, consider the following steps:

Immediate Steps to Take

Implement file integrity checks to detect unauthorized DLLs.
Monitor system activity for suspicious behavior.
Restrict access to critical systems and directories.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security training for staff to recognize and report potential threats.
Employ application whitelisting to control executable files.

Patching and Updates

Apply the latest patches and updates provided by the software vendor to mitigate the vulnerability.