CVE-2017-2791 Explained : Impact and Mitigation

JustSystems Ichitaro 2016 Trial version has a vulnerability that can lead to remote code execution when opening a specially crafted PowerPoint file.

Understanding CVE-2017-2791

This CVE involves a vulnerability in JustSystems Ichitaro 2016 Trial version that allows for potential code execution.

What is CVE-2017-2791?

The vulnerability in the 2016 Trial version of JustSystems Ichitaro arises from mishandling an error case in the application's function, leading to memory corruption and potential code execution.

The Impact of CVE-2017-2791

The vulnerability has a CVSS base score of 7.5 (High) and can result in remote code execution under specific conditions.

Technical Details of CVE-2017-2791

JustSystems Ichitaro 2016 Trial version vulnerability details.

Vulnerability Description

Incorrect handling of an error case in the application's function
Use of function's result in a calculation to read data from a file
Reading data into an incorrect address causing memory corruption
Potential execution of code within the application's context

Affected Systems and Versions

Product: Ichitaro
Vendor: JustSystems
Affected Version: 2016 Trial version

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: High confidentiality, integrity, and availability

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-2791 vulnerability.

Immediate Steps to Take

Avoid opening suspicious PowerPoint files
Implement security patches or updates from the vendor

Long-Term Security Practices

Regularly update software and applications
Conduct security training for users to recognize phishing attempts

Patching and Updates

Apply patches provided by JustSystems to address the vulnerability