CVE-2017-5256 Explained : Impact and Mitigation
Learn about CVE-2017-5256, a security flaw in Cambium Networks ePMP firmware versions up to 3.5 allowing XSS attacks. Find mitigation steps and preventive measures here.
Cambium Networks ePMP firmware versions up to 3.5 are vulnerable to persistent cross-site scripting (XSS) injection, allowing authorized users to modify specific fields through the web console.
Understanding CVE-2017-5256
In version 3.5 and prior of Cambium Networks ePMP firmware, a security vulnerability exists that enables authenticated users to manipulate certain fields, leading to XSS attacks.
What is CVE-2017-5256?
- The CVE-2017-5256 vulnerability allows any authorized user to change the Device Name and System Description fields via the web administration console.
- These fields are exposed to the risk of persistent cross-site scripting (XSS) injection.
The Impact of CVE-2017-5256
- Attackers can inject malicious scripts into the affected fields, potentially leading to unauthorized access, data theft, or other malicious activities.
Technical Details of CVE-2017-5256
In-depth technical information about the vulnerability.
Vulnerability Description
- Vulnerability Type: Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
- CWE ID: CWE-79
Affected Systems and Versions
- Product: ePMP
- Vendor: Cambium Networks
- Vulnerable Versions: Up to 3.5
Exploitation Mechanism
- Authenticated users can exploit the vulnerability by manipulating the Device Name and System Description fields through the web console.
Mitigation and Prevention
Protective measures to address the CVE-2017-5256 vulnerability.
Immediate Steps to Take
- Update the ePMP firmware to a secure version that addresses the XSS vulnerability.
- Monitor and restrict user access to sensitive fields to prevent unauthorized modifications.
Long-Term Security Practices
- Regularly review and update security configurations to mitigate potential XSS risks.
- Conduct security training for users to raise awareness about the dangers of XSS attacks.
Patching and Updates
- Stay informed about security patches released by Cambium Networks and promptly apply them to safeguard against known vulnerabilities.