CVE-2017-11939 : Exploit Details and Defense Strategies
Learn about CVE-2017-11939, an information disclosure vulnerability in Microsoft Office 2016 Click-to-Run (C2R) allowing unauthorized access to sensitive data. Find mitigation steps and updates here.
An information disclosure vulnerability has been discovered in Microsoft Office 2016 Click-to-Run (C2R) related to how Microsoft Office implements DRM copy/paste permissions.
Understanding CVE-2017-11939
What is CVE-2017-11939?
CVE-2017-11939, also known as the 'Microsoft Office Information Disclosure Vulnerability,' is an information disclosure vulnerability in Microsoft Office 2016 Click-to-Run (C2R).
The Impact of CVE-2017-11939
This vulnerability could allow an attacker to access sensitive information due to improper enforcement of DRM copy/paste permissions in Microsoft Office 2016 Click-to-Run (C2R).
Technical Details of CVE-2017-11939
Vulnerability Description
Microsoft Office 2016 Click-to-Run (C2R) is susceptible to an information disclosure vulnerability where DRM copy/paste permissions are not properly enforced.
Affected Systems and Versions
- Product: Microsoft Office
- Vendor: Microsoft Corporation
- Affected Version: Microsoft Office 2016 Click-to-Run (C2R)
Exploitation Mechanism
The vulnerability arises from the incorrect implementation of DRM copy/paste permissions in Microsoft Office 2016 Click-to-Run (C2R).
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Monitor official Microsoft channels for updates and advisories.
Long-Term Security Practices
- Regularly update Microsoft Office to the latest version.
- Implement strong access controls and user permissions within the organization.
Patching and Updates
Ensure that Microsoft Office 2016 Click-to-Run (C2R) is updated with the latest security patches to mitigate the information disclosure vulnerability.