CVE-2020-7841 Explained : Impact and Mitigation

A vulnerability in TOBESOFT XPLATFORM could allow for arbitrary .hta file execution due to improper input validation.

Understanding CVE-2020-7841

What is CVE-2020-7841?

This CVE describes a vulnerability in TOBESOFT XPLATFORM that could lead to the execution of arbitrary .hta files when specific command strings are used.

The Impact of CVE-2020-7841

The vulnerability has a CVSS base score of 8.8, indicating a high severity issue with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-7841

Vulnerability Description

The vulnerability arises from improper input validation in TOBESOFT XPLATFORM, allowing malicious actors to execute arbitrary .hta files by initiating command strings with specific prefixes.

Affected Systems and Versions

Affected Platforms: Windows
Affected Product: XPLATFORM XPlatformLib922.dll
Vendor: TOBESOFT
Vulnerable Version: 9.2.2.250 (released before 2019-08-27)

Exploitation Mechanism

The vulnerability can be exploited by crafting command strings that start with http://, https://, or mailto://, triggering the execution of arbitrary .hta files.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.

Patching and Updates

Ensure that the XPLATFORM XPlatformLib922.dll version is updated to 9.2.2.250 or higher to mitigate the vulnerability.