CVE-2017-6618 : Security Advisory and Response

Cisco Integrated Management Controller (IMC) 3.0(1c) has a security flaw in its graphical user interface (GUI) that could allow a remote authenticated attacker to conduct a cross-site scripting (XSS) attack. This vulnerability arises from inadequate validation of user inputs, potentially leading to the execution of arbitrary code within the web-based GUI.

Understanding CVE-2017-6618

This CVE entry highlights a critical security issue in Cisco IMC 3.0(1c) that could be exploited by attackers with remote authenticated access.

What is CVE-2017-6618?

The vulnerability in the web-based GUI of Cisco IMC 3.0(1c) allows an authenticated attacker to perform a cross-site scripting (XSS) attack by manipulating user-supplied inputs. By convincing a user to click on a malicious link, the attacker can execute arbitrary code within the web-based GUI.

The Impact of CVE-2017-6618

If successfully exploited, an attacker could run arbitrary code within the context of the affected system's web-based GUI, potentially leading to unauthorized access and control.

Technical Details of CVE-2017-6618

This section delves into the specifics of the vulnerability affecting Cisco IMC 3.0(1c).

Vulnerability Description

The flaw in the GUI of Cisco IMC 3.0(1c) stems from insufficient validation of user-supplied inputs, enabling attackers to execute XSS attacks and potentially run arbitrary code.

Affected Systems and Versions

Product: Cisco Integrated Management Controller
Version: Cisco Integrated Management Controller

Exploitation Mechanism

To exploit this vulnerability, an attacker needs remote but authenticated access to the affected system and must persuade a user to click on a malicious link within the web-based GUI.

Mitigation and Prevention

Protecting systems from CVE-2017-6618 involves immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cisco promptly to address the vulnerability.
Educate users about the risks of clicking on unknown or suspicious links within the web-based GUI.

Long-Term Security Practices

Implement regular security training for users to enhance awareness of social engineering tactics used in XSS attacks.
Employ network segmentation and access controls to limit the impact of potential exploits.
Monitor and analyze web traffic for any signs of malicious activities.
Keep systems updated with the latest security patches and configurations.
Consider implementing web application firewalls to detect and prevent XSS attacks.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Cisco has released patches to address the vulnerability in Cisco IMC 3.0(1c). It is crucial to apply these patches promptly to mitigate the risk of exploitation.