CVE-2018-0799 : Exploit Details and Defense Strategies
Learn about CVE-2018-0799 affecting Microsoft Access in SharePoint 2013 and 2016. Discover the impact, affected systems, exploitation, and mitigation steps.
Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016 is vulnerable to a cross-site scripting (XSS) issue due to image field value handling.
Understanding CVE-2018-0799
This CVE involves a security vulnerability in Microsoft Access within Microsoft SharePoint Enterprise Server 2013 and 2016, leading to a cross-site scripting risk.
What is CVE-2018-0799?
The handling of image field values in Microsoft Access within Microsoft SharePoint Enterprise Server 2013 and 2016 results in a cross-site scripting (XSS) vulnerability, also known as the "Microsoft Access Tampering Vulnerability".
The Impact of CVE-2018-0799
The vulnerability allows attackers to execute malicious scripts in the context of the user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2018-0799
This section provides detailed technical insights into the CVE.
Vulnerability Description
Microsoft Access in Microsoft SharePoint Enterprise Server 2013 and 2016 allows a cross-site scripting (XSS) vulnerability due to the way image field values are handled, known as the "Microsoft Access Tampering Vulnerability".
Affected Systems and Versions
- Product: Microsoft Access
- Vendor: Microsoft Corporation
- Versions: Microsoft SharePoint Enterprise Server 2013 and Microsoft SharePoint Enterprise Server 2016
Exploitation Mechanism
The vulnerability arises from improper handling of image field values in Microsoft Access, enabling attackers to inject and execute malicious scripts.
Mitigation and Prevention
Protect your systems from CVE-2018-0799 with these mitigation strategies.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement web application firewalls to filter and block malicious traffic.
- Educate users on safe browsing practices to prevent XSS attacks.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Monitor and analyze web application logs for suspicious activities.
Patching and Updates
Ensure timely installation of security updates and patches released by Microsoft to address the XSS vulnerability in Microsoft Access.