CVE-2019-1792 : Vulnerability Insights and Analysis
Learn about CVE-2019-1792, a vulnerability in Cisco Umbrella's URL block page allowing remote attackers to execute cross-site scripting attacks. Find mitigation steps and impact details here.
Cisco Umbrella Cross-Site Scripting Vulnerability
Understanding CVE-2019-1792
This CVE involves a security flaw in the URL block page of Cisco Umbrella, potentially allowing unauthorized remote attackers to execute a cross-site scripting (XSS) attack.
What is CVE-2019-1792?
The vulnerability arises from inadequate validation of input parameters on the URL block page of Cisco Umbrella. Attackers could exploit this by tricking users into clicking manipulated links, enabling them to execute arbitrary script code or access sensitive browser information.
The Impact of CVE-2019-1792
Successful exploitation could lead to unauthorized execution of script code within the interface or access to sensitive browser-related data. The latest version of Cisco Umbrella has addressed this vulnerability.
Technical Details of CVE-2019-1792
Vulnerability Description
The flaw in the URL block page of Cisco Umbrella allows for a cross-site scripting (XSS) attack due to insufficient input parameter validation.
Affected Systems and Versions
- Product: Cisco Umbrella
- Vendor: Cisco
- Versions: Unspecified custom versions
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: Required
- Scope: Changed
- CVSS Score: 6.1 (Medium Severity)
Mitigation and Prevention
Immediate Steps to Take
- Ensure the latest version of Cisco Umbrella is installed
- Educate users about phishing and suspicious links
- Implement web application firewalls
Long-Term Security Practices
- Regular security training for employees
- Continuous monitoring for unusual activities
- Implement strict input validation mechanisms
Patching and Updates
- Apply security patches promptly
- Monitor vendor advisories for any new vulnerabilities