CVE-2021-25161 Scanner

Aruba Instant Access Point (IAP) is widely utilized in various environments, including corporate and educational networks, to provide seamless and centralized Wi-Fi solutions. These devices are commonly deployed to enhance wireless coverage and network management in large-scale and high-density venues. Administrators favor Aruba IAP for its scalability, ease of deployment, and integration with various network management tools. The product also supports multiple security features, ensuring safe and reliable connectivity for users. Organizations from small offices to large enterprises count on Aruba IAP for efficient user management and network monitoring. This solution is especially valuable for maintaining optimal wireless performance and security in dynamic environments.

Cross-Site Scripting (XSS) is a prevalent vulnerability that allows attackers to inject malicious scripts into web applications. This vulnerability takes advantage of user inputs that are insufficiently sanitized, resulting in the execution of unauthorized scripts in users' browsers. XSS can lead to various malicious activities, such as session hijacking, defacement, and unauthorized actions within the user's account. The exploited scripts can be concealed within legitimate URLs, making them challenging to detect. This type of vulnerability poses significant risks as it targets end-users, harming both individuals and organizations. Attackers often use XSS as a vehicle for further attacks such as spear phishing or data exfiltration.

The cross-site scripting vulnerability in Aruba Instant Access Point (IAP) was found in several HTTP request parameters. Specifically, attackers can craft a malicious URL that includes JavaScript code which is then executed in the context of the user's session. The vulnerable endpoint is found in the ‘swarm.cgi’ script, primarily impacting Aruba Instant OS across multiple versions. The flawed parameters which do not properly validate user inputs are ‘bg_color’, ‘banner_color’, and ‘terms_of_use’. This lack of validation allows attackers to inject script code that executes browser-side. As the script executes in the user’s browser, it assumes their permissions, potentially leading to sensitive data being exposed.

The exploitation of this XSS vulnerability could result in several harmful outcomes, including unauthorized access to user sessions and the theft of sensitive information. Users’ credentials and other private data might be captured via malicious scripts. Attackers could perform actions on behalf of the user, such as data modification or initiating additional attacks. The breach might also lead to damaging the organization's reputation, as users may distrust the affected system. Additionally, if leveraged within an organizational network, it can act as an entry point for broader network compromises. It is crucial to address this vulnerability promptly to ensure user safety and system integrity.

REFERENCES

• https://alephsecurity.com/2021/07/15/aruba-instant/?utm_source=feedly
• https://nvd.nist.gov/vuln/detail/CVE-2021-25161