CVE-2013-3598 in SearchBlox
Summary
by MITRE
Directory traversal vulnerability in servlet/CreateTemplateServlet in SearchBlox before 7.5 build 1 allows remote attackers to overwrite arbitrary files via a .. (dot dot) in the name parameter.
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Analysis
by VulDB Data Team • 08/15/2024
The vulnerability identified as CVE-2013-3598 represents a critical directory traversal flaw within the SearchBlox search platform software. This issue affects versions prior to 7.5 build 1 and specifically targets the servlet component known as CreateTemplateServlet. The vulnerability stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data, particularly the name parameter used in the servlet's file creation process. Attackers can exploit this weakness by crafting malicious requests containing directory traversal sequences such as .. (dot dot) within the name parameter, enabling them to manipulate the file system operations performed by the vulnerable application.
The technical nature of this vulnerability aligns with CWE-22, which categorizes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. This flaw allows adversaries to bypass normal access controls and potentially overwrite or modify files outside the intended directory structure. The CreateTemplateServlet component processes user input without implementing proper sanitization or validation checks, creating an attack surface where maliciously crafted file names can traverse the file system hierarchy. When the servlet receives a request with a name parameter containing directory traversal sequences, it processes these paths without proper validation, leading to arbitrary file overwrite capabilities.
The operational impact of this vulnerability extends beyond simple file corruption, as it provides attackers with potential persistence mechanisms and privilege escalation opportunities within the affected system. Remote attackers can leverage this vulnerability to overwrite critical system files, configuration files, or even executable components, potentially leading to complete system compromise. The vulnerability's remote exploitability means that attackers do not require local system access or credentials to perform the attack, making it particularly dangerous in networked environments where SearchBlox servers are accessible to unauthenticated users. This type of vulnerability can enable attackers to establish backdoors, modify security configurations, or deploy malicious payloads that persist across system reboots.
Mitigation strategies for CVE-2013-3598 should focus on immediate remediation through the installation of the patched SearchBlox version 7.5 build 1 or later, which addresses the input validation deficiencies in the CreateTemplateServlet component. Organizations should implement comprehensive input validation mechanisms that filter or reject directory traversal sequences such as .. or %2e%2e in all user-supplied parameters. Network segmentation and access controls should be enforced to limit exposure of vulnerable SearchBlox instances to untrusted networks. Additionally, security monitoring should be enhanced to detect suspicious file system operations or unusual patterns in template creation requests. The vulnerability demonstrates the importance of following secure coding practices and implementing proper input sanitization as outlined in the OWASP Top Ten security principles, particularly focusing on the prevention of path traversal attacks through proper parameter validation and access control implementation.