CVE-2008-0395 in SupportSuite
Summary
by MITRE
Kayako SupportSuite 3.11.01 allows remote attackers to obtain server configuration information via a direct request to syncml/index.php, which prints the contents of the $_SERVER superglobal.
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Analysis
by VulDB Data Team • 08/04/2019
The vulnerability identified as CVE-2008-0395 affects Kayako SupportSuite version 3.11.01 and represents a critical information disclosure flaw that enables remote attackers to access sensitive server configuration data. This vulnerability arises from improper input validation and output handling within the application's synchronization component, specifically in the syncml/index.php file. The flaw occurs when the application directly outputs the contents of the PHP $_SERVER superglobal variable without adequate sanitization or access controls, exposing internal server details to unauthorized parties.
The technical implementation of this vulnerability stems from the application's failure to properly filter or restrict access to server environment variables that contain sensitive information about the hosting environment. When an attacker makes a direct request to syncml/index.php, the application processes the request and inadvertently includes the entire $_SERVER superglobal array in the response output. This superglobal variable contains a wealth of information including server software details, document root paths, script file locations, HTTP headers, and other environment-specific variables that could be exploited by malicious actors to gain deeper insights into the target system architecture.
From an operational impact perspective, this vulnerability creates significant risk for organizations using the affected Kayako SupportSuite version. The leaked server configuration information can be leveraged by attackers to craft more sophisticated attacks targeting specific server software versions, identify potential weak points in the system architecture, and develop targeted exploitation strategies. The exposure of document root paths and file locations could enable attackers to perform directory traversal attacks or identify other vulnerable components within the application stack. Additionally, the disclosure of server software versions and configuration details aligns with attack patterns documented in the mitre attack framework under techniques related to reconnaissance and information gathering.
This vulnerability maps directly to CWE-200, which describes the improper exposure of sensitive information, and represents a classic example of insecure direct object references combined with information disclosure issues. The flaw demonstrates poor security practices in input validation and output sanitization that violates fundamental security principles. Organizations should implement immediate mitigations including restricting access to the syncml/index.php endpoint through proper authentication mechanisms, implementing input validation controls to prevent direct access to sensitive components, and ensuring that server configuration variables are not exposed in application responses. The vulnerability also highlights the importance of following secure coding practices as outlined in the owasp top ten and other industry standards that emphasize the need for proper access controls and output filtering to prevent information disclosure attacks.