CVE-2019-14422 : Vulnerability Insights and Analysis

A vulnerability has been identified in TortoiseSVN 1.12.1 that allows for remote code execution through a customized diff operation on Excel workbooks.

Understanding CVE-2019-14422

This CVE involves a security issue in TortoiseSVN 1.12.1 that enables the execution of arbitrary code by opening remote workbooks without macro security settings.

What is CVE-2019-14422?

The vulnerability in TortoiseSVN 1.12.1 allows attackers to execute arbitrary code by coercing victims into opening Excel workbooks with a macro virus.

The Impact of CVE-2019-14422

Exploiting this vulnerability could lead to the execution of malicious code on a victim's system, potentially causing significant harm or data loss.

Technical Details of CVE-2019-14422

This section provides more technical insights into the vulnerability.

Vulnerability Description

The Tsvncmd: URI handler in TortoiseSVN 1.12.1 allows customized diff operations on Excel workbooks, enabling the opening of remote workbooks without macro security settings.

Affected Systems and Versions

Product: TortoiseSVN 1.12.1
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can place a macro virus in a network drive and trick victims into opening infected workbooks, executing the embedded macro.

Mitigation and Prevention

Protecting systems from CVE-2019-14422 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the Tsvncmd: URI handler in TortoiseSVN to prevent custom diff operations on Excel workbooks.
Educate users about the risks of opening files from unknown or untrusted sources.

Long-Term Security Practices

Implement macro security settings to prevent the execution of unauthorized macros.
Regularly update and patch software to address known vulnerabilities.
Conduct security awareness training to help users recognize and avoid potential threats.

Patching and Updates

Check for patches or updates from TortoiseSVN to address the vulnerability and apply them promptly.