CVE-2018-0093 : Security Advisory and Response
Learn about CVE-2018-0093, a security weakness in Cisco Web Security Appliance allowing attackers to execute arbitrary script code. Find mitigation steps and patching details here.
A security weakness has been identified in the web-based management interface of the Cisco Web Security Appliance (WSA), potentially allowing unauthorized attackers to exploit a reflected cross-site scripting (XSS) vulnerability.
Understanding CVE-2018-0093
This CVE involves a vulnerability in the Cisco Web Security Appliance (WSA) that could be exploited by attackers to execute arbitrary script code or access sensitive information.
What is CVE-2018-0093?
The vulnerability stems from insufficient validation of user-input in the web-based management interface of the affected device, enabling attackers to conduct a reflected XSS attack by tricking users into clicking on a malicious link.
The Impact of CVE-2018-0093
- Unauthorized attackers can exploit the vulnerability remotely without physical presence
- Successful exploitation could lead to the execution of arbitrary script code or access to sensitive browser-based information
Technical Details of CVE-2018-0093
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the web-based management interface of Cisco WSA allows unauthenticated attackers to conduct a reflected XSS attack by manipulating user-supplied input.
Affected Systems and Versions
- Product: Cisco Web Security Appliance
- Version: Cisco Web Security Appliance
Exploitation Mechanism
Attackers can exploit the vulnerability by convincing users of the interface to click on a specially crafted hyperlink, enabling the execution of arbitrary script code.
Mitigation and Prevention
Protecting systems from CVE-2018-0093 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Cisco promptly
- Educate users to be cautious of clicking on unknown or suspicious links
Long-Term Security Practices
- Regularly update and patch all software and systems
- Implement security awareness training for employees to recognize and report suspicious activities
Patching and Updates
- Cisco has released patches to address the vulnerability
- Regularly check for updates and apply them to ensure system security