Webbdesign SL-Studio Local File Inclusion Scanner

Webbdesign SL-Studio is a web application platform frequently used by developers to create and manage websites with various multimedia capabilities. It is often employed by small to medium-sized businesses due to its user-friendly interface and flexibility. The platform provides numerous features including customizable templates, integration with various third-party tools, and support for dynamic content generation. Typically utilized by web designers and developers, it serves to ease the creation process through its customizable elements and reliable functions. Organizations also leverage it for hosting commercial sites, making it essential for business online presence enhancement. Despite its strengths, vulnerabilities such as Local File Inclusion (LFI) can potentially put users at risk if not properly managed.

Local File Inclusion (LFI) is a security vulnerability that allows attackers to include files on a server through the web browser. This vulnerability can be exploited by manipulating inputs to reference unintended files, leading to unauthorized exposure or execution of sensitive files. The Local File Inclusion issue is typically due to improper handling of input paths by applications, allowing relative paths to be abused. It is a critical issue often found in web applications with dynamic inclusion scripts. Attackers can leverage this vulnerability to access restricted files, escalate their privileges, or perform further attacks. The impact of a successful LFI exploitation can range from information disclosure to execution of malicious scripts, underlining the importance of secure coding practices.

The vulnerability involves manipulating the file path in input parameters such as those handled by the webpage’s server. In the case of Webbdesign SL-Studio, the LFI is triggered via HTTP GET requests to "index.php" with the parameter "page" being targeted. The scanner identifies vulnerable pages that include user-specified files, potentially exposing critical system files like '/etc/passwd'. By identifying the presence of recognizable patterns (e.g., "root:[x*]:0:0"), the scanner determines if the server is improperly including local files. Such an inclusion might permit attackers to read sensitive files and gain deeper access into the server, leading to substantial breaches if left unchecked.

Exploitation of a Local File Inclusion vulnerability can result in several dire outcomes, the most immediate being unauthorized access to sensitive files. If user data files are exposed, it can lead to breaches of confidentiality and subsequent identity theft or data corruption. Moreover, inclusion of unintended scripts might allow attackers to execute malicious code, effectively gaining server control or installing backdoors. Persistent abuse over time could lead to server instability or service degradation, causing potential downtime and reputation damage for the host. Organizations risk losing customer trust and facing legal consequences due to data protection regulation violations if such vulnerabilities are left unaddressed.

REFERENCES

• https://cxsecurity.com/issue/WLB-2018110187