CVE-2017-0195 : What You Need to Know
Learn about CVE-2017-0195, a vulnerability in Microsoft Office products that allows remote attackers to execute cross-site scripting. Find out how to mitigate this risk.
Microsoft Office XSS Elevation of Privilege Vulnerability
Understanding CVE-2017-0195
What is CVE-2017-0195?
The "Microsoft Office XSS Elevation of Privilege Vulnerability" allows remote attackers to execute cross-site scripting and run scripts with the privileges of a local user on various Microsoft Office products.
The Impact of CVE-2017-0195
This vulnerability can lead to unauthorized access and potential data manipulation on affected systems.
Technical Details of CVE-2017-0195
Vulnerability Description
Microsoft Excel Services on Microsoft SharePoint Server 2010 SP1 and SP2, Microsoft Excel Web Apps 2010 SP2, Microsoft Office Web Apps 2010 SP2, Microsoft Office Web Apps Server 2013 SP1, and Office Online Server are affected, enabling attackers to perform cross-site scripting attacks.
Affected Systems and Versions
- Microsoft SharePoint Server 2010 SP1 and SP2
- Microsoft Excel Web Apps 2010 SP2
- Microsoft Office Web Apps 2010 SP2
- Microsoft Office Web Apps Server 2013 SP1
- Office Online Server
Exploitation Mechanism
Attackers can exploit this vulnerability by sending crafted requests to the affected systems, allowing them to execute malicious scripts with local user privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement network security measures to detect and block malicious activities.
- Educate users about phishing and social engineering tactics.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Monitor network traffic for suspicious activities.
Patching and Updates
Ensure that all affected systems are updated with the latest security patches from Microsoft to mitigate the risk of exploitation.