CVE-2019-0868 : Security Advisory and Response
Learn about CVE-2019-0868, a Cross-site Scripting (XSS) vulnerability in Azure DevOps Server and Team Foundation Server. Find out the impacted systems, exploitation risks, and mitigation steps.
A Cross-site Scripting (XSS) vulnerability exists in Azure DevOps Server and Team Foundation Server due to improper input sanitization.
Understanding CVE-2019-0868
This CVE involves a Cross-site Scripting (XSS) vulnerability in Microsoft's Azure DevOps Server and Team Foundation Server.
What is CVE-2019-0868?
This vulnerability arises when user input is not adequately sanitized, allowing malicious scripts to be injected into web pages.
The Impact of CVE-2019-0868
- Attackers can execute arbitrary scripts in the context of a user's browser, potentially leading to unauthorized actions.
- Exploitation of this vulnerability can result in sensitive data theft or unauthorized access to user sessions.
Technical Details of CVE-2019-0868
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers to inject malicious scripts into web pages, exploiting the lack of input sanitization in Azure DevOps Server and Team Foundation Server.
Affected Systems and Versions
- Team Foundation Server 2017 Update 3.1
- Team Foundation Server 2018 Update 1.2 and Update 3.2
- Azure DevOps Server 2019
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into web pages through unsanitized user input.
Mitigation and Prevention
To address CVE-2019-0868, follow these mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement input validation mechanisms to sanitize user input effectively.
- Monitor web applications for any suspicious activities or unauthorized access attempts.
Long-Term Security Practices
- Regularly update and patch Azure DevOps Server and Team Foundation Server to mitigate known vulnerabilities.
- Educate developers on secure coding practices to prevent Cross-site Scripting (XSS) vulnerabilities.
Patching and Updates
- Stay informed about security advisories and updates from Microsoft to apply patches as soon as they are released.