CVE-2019-1076 Explained : Impact and Mitigation
Learn about CVE-2019-1076 affecting Team Foundation Server 2018 and Azure DevOps Server, leading to XSS attacks and spoofing risks. Find mitigation steps and security practices.
Team Foundation Server and Azure DevOps Server are affected by a Cross-site Scripting (XSS) vulnerability, potentially allowing spoofing attacks.
Understanding CVE-2019-1076
This CVE involves a security vulnerability in Team Foundation Server and Azure DevOps Server that could lead to Cross-site Scripting (XSS) attacks.
What is CVE-2019-1076?
A Cross-site Scripting (XSS) vulnerability in Team Foundation Server and Azure DevOps Server arises from inadequate user input filtering, enabling malicious actors to execute scripts in a victim's browser.
The Impact of CVE-2019-1076
The presence of this vulnerability could result in spoofing attacks, where attackers impersonate legitimate users to gain unauthorized access or perform malicious actions.
Technical Details of CVE-2019-1076
This section provides specific technical details regarding the vulnerability.
Vulnerability Description
The XSS vulnerability in Team Foundation Server and Azure DevOps Server stems from insufficient sanitization of user-provided input, allowing attackers to inject and execute malicious scripts.
Affected Systems and Versions
- Affected Products: Team Foundation Server 2018, Azure DevOps Server
- Vulnerable Versions:
- Team Foundation Server 2018 Update 3.2
- Azure DevOps Server 2019.0.1
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts through unfiltered user input, potentially leading to unauthorized script execution in the context of the victim's browser.
Mitigation and Prevention
To address CVE-2019-1076 and enhance security measures, follow the mitigation strategies below.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement input validation mechanisms to sanitize user input effectively.
- Monitor and restrict user input to prevent XSS attacks.
Long-Term Security Practices
- Conduct regular security assessments and audits to identify and address vulnerabilities.
- Educate developers and users on secure coding practices to mitigate XSS risks.
Patching and Updates
- Stay informed about security advisories and updates from Microsoft.
- Regularly update Team Foundation Server and Azure DevOps Server to the latest secure versions.