CVE-2017-12265 : What You Need to Know
Learn about CVE-2017-12265 affecting Cisco ASA Software. Understand the XSS vulnerability, impact, affected systems, exploitation, and mitigation steps to secure your network.
Cisco Adaptive Security Appliance Software is vulnerable to a cross-site scripting (XSS) attack through its web-based management interface.
Understanding CVE-2017-12265
An unauthenticated attacker could exploit a weakness in the web-based management interface of Cisco ASA Software, leading to a XSS attack.
What is CVE-2017-12265?
The vulnerability in Cisco ASA Software allows attackers to execute arbitrary script code or access sensitive browser-based information by tricking users into clicking malicious links.
The Impact of CVE-2017-12265
- Attackers can carry out cross-site scripting attacks on users of the affected device's web-based management interface.
- Successful exploitation could lead to the execution of arbitrary script code within the interface's context.
- Sensitive browser-based information could be accessed by the attacker.
Technical Details of CVE-2017-12265
Cisco ASA Software vulnerability details.
Vulnerability Description
- Inadequate validation of user-inputted data in the web-based management interface.
- Exploitable when the WEBVPN feature is activated.
Affected Systems and Versions
- Product: Cisco Adaptive Security Appliance Software
- Version: Cisco Adaptive Security Appliance Software
Exploitation Mechanism
- Attacker tricks a user into clicking a crafted link to execute the exploit.
Mitigation and Prevention
Protecting against CVE-2017-12265.
Immediate Steps to Take
- Disable the WEBVPN feature if not essential.
- Regularly monitor Cisco's security advisories for updates.
Long-Term Security Practices
- Educate users on identifying and avoiding suspicious links.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
- Apply patches and updates from Cisco to address the vulnerability.