CVE-2019-1445 : What You Need to Know
Learn about CVE-2019-1445, a spoofing vulnerability in Microsoft's Office Online Server, allowing unauthorized access. Find mitigation steps and affected versions.
This CVE-2019-1445 article provides insights into a spoofing vulnerability in Microsoft's Office Online Server.
Understanding CVE-2019-1445
What is CVE-2019-1445?
A spoofing vulnerability in Office Online Server allows malicious actors to manipulate cross-origin communications, leading to potential security breaches.
The Impact of CVE-2019-1445
The vulnerability, known as 'Microsoft Office Online Spoofing Vulnerability,' can result in unauthorized access and data manipulation.
Technical Details of CVE-2019-1445
Vulnerability Description
The flaw arises from the inadequate validation of origins in cross-origin communication handlers within Office Online Server.
Affected Systems and Versions
- Product: Office Online Server
- Vendor: Microsoft
- Affected Version: Unspecified
Exploitation Mechanism
Attackers can exploit this vulnerability to spoof origins and deceive the system into accepting malicious requests.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Monitor and restrict cross-origin communications to trusted sources.
Long-Term Security Practices
- Regularly update and maintain security protocols.
- Conduct security audits to identify and address vulnerabilities proactively.
Patching and Updates
Ensure all Office Online Server installations are updated with the latest security patches to mitigate the spoofing vulnerability.