CVE-2003-1152 in Webtide
Summary
by MITRE
WebTide 7.04 allows remote attackers to list arbitrary directories via an HTTP request for %3f.jsp (encoded "?").
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Analysis
by VulDB Data Team • 03/14/2017
The vulnerability identified as CVE-2003-1152 affects WebTide 7.04, a web application server that processes http requests containing specially crafted directory traversal sequences. This flaw represents a directory traversal vulnerability that allows remote attackers to access files and directories beyond the intended scope of the web application. The specific exploitation technique involves sending an http request containing the encoded character sequence %3f.jsp which translates to ?jsp, enabling unauthorized directory listing operations. This vulnerability falls under the category of improper input validation and weak access controls, as the web server fails to properly sanitize user-supplied input before processing directory requests.
The technical implementation of this vulnerability exploits the web server's handling of encoded characters within url paths. When WebTide 7.04 receives an http request containing the %3f.jsp sequence, it interprets this as a request to access a jsp file while potentially bypassing normal directory access controls. This behavior creates an information disclosure vulnerability where attackers can enumerate directory structures and potentially access sensitive files that should remain protected. The vulnerability is particularly concerning because it allows for arbitrary directory listing without proper authentication or authorization checks, effectively providing attackers with a map of the server's file system structure.
From an operational impact perspective, this vulnerability poses significant security risks to organizations using WebTide 7.04. Attackers can leverage this flaw to discover sensitive files, configuration information, and potentially gain access to source code or database credentials stored on the server. The vulnerability enables reconnaissance activities that can lead to more sophisticated attacks including privilege escalation, data exfiltration, and system compromise. Network defenders must recognize that this vulnerability can be exploited automatically by scanning tools, making it a high-priority target for exploitation by malicious actors seeking to identify and exploit web application weaknesses. The vulnerability directly relates to CWE-22 which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
Security professionals should implement multiple layers of defense to mitigate this vulnerability. The primary remediation involves updating to a patched version of WebTide that properly validates and sanitizes all user input before processing directory requests. Additionally, implementing proper input validation controls at the web server level can prevent the exploitation of encoded character sequences. Organizations should also deploy web application firewalls and security monitoring solutions that can detect and block suspicious directory traversal attempts. The mitigation strategies should align with ATT&CK framework techniques related to defense evasion and credential access, as attackers may use this vulnerability as a stepping stone to more advanced attack phases. Access controls and least privilege principles should be enforced to limit the damage that can be caused by successful exploitation of this vulnerability.
The broader implications of this vulnerability extend beyond immediate exploitation to highlight the importance of proper input validation in web applications. This flaw demonstrates how encoding techniques can be used to bypass security controls and emphasizes the need for comprehensive security testing including penetration testing and vulnerability scanning. Organizations should conduct regular security assessments to identify similar vulnerabilities in their web applications and ensure that all input processing is properly validated to prevent directory traversal attacks. The vulnerability also underscores the critical importance of keeping web application servers updated with the latest security patches to protect against known exploits that can be readily leveraged by threat actors.