CVE-2011-2215 in WalRack
Summary
by MITRE
Unspecified vulnerability in WalRack 1.x before 1.1.8 and 2.x before 2.0.6 has unknown impact and attack vectors, possibly related to file deletion and an encoded URL, a different vulnerability than CVE-2011-1329.
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Analysis
by VulDB Data Team • 02/09/2019
The vulnerability identified as CVE-2011-2215 affects WalRack software versions 1.x prior to 1.1.8 and 2.x prior to 2.0.6, representing a critical security flaw that remains unspecified in its exact nature and impact. This vulnerability demonstrates the complexity of identifying and categorizing security issues in web-based applications where multiple attack vectors may exist simultaneously. The affected versions of WalRack operate within the realm of web application security where improper handling of user input can lead to significant system compromise. The vulnerability's unspecified nature suggests that it may involve multiple potential attack paths or that the full scope of the issue was not initially documented in the CVE database. Security researchers and organizations must carefully analyze such vulnerabilities as they often represent underlying architectural flaws in how applications process user-supplied data, particularly when dealing with file operations and URL handling mechanisms. The fact that this vulnerability is distinct from CVE-2011-1329 indicates that it involves different code paths or system components within the WalRack application framework.
The technical flaw associated with CVE-2011-2215 appears to be related to file deletion operations and encoded URL processing, suggesting that the vulnerability stems from inadequate input validation and sanitization within the application's file handling mechanisms. This type of vulnerability typically manifests when applications fail to properly validate and sanitize user input before processing it, especially when dealing with file system operations that can be manipulated through specially crafted URLs. The encoded URL component indicates that attackers may leverage URL encoding techniques to bypass security controls or manipulate application behavior. Such vulnerabilities often fall under the category of path traversal or directory traversal attacks, where malicious users can exploit improper input handling to access or manipulate files outside of intended directories. The relationship to file deletion operations suggests that the vulnerability may allow unauthorized file removal or modification, potentially leading to data loss, system compromise, or denial of service conditions. The specific implementation details of how encoded URLs interact with file deletion functions represent a critical security gap that could be exploited by attackers with minimal privileges.
The operational impact of CVE-2011-2215 extends beyond simple data loss or service disruption, potentially enabling attackers to gain unauthorized access to system resources, modify critical application files, or compromise the overall integrity of the affected system. When an application allows for manipulation of file deletion processes through encoded URLs, it creates opportunities for attackers to perform destructive operations or escalate privileges within the system. The vulnerability's presence in both major version lines 1.x and 2.x of WalRack indicates that the flaw is deeply embedded within the application architecture, requiring comprehensive patching across multiple versions. Organizations using affected WalRack versions face significant risk of unauthorized file access, potential data breaches, and system compromise. The unknown impact and attack vectors associated with this vulnerability make it particularly dangerous as security teams cannot accurately assess the full scope of potential exploitation or determine the most effective defensive measures. This uncertainty often leads to increased incident response times and requires extensive security testing to fully understand the vulnerability's capabilities.
Mitigation strategies for CVE-2011-2215 should prioritize immediate patching of affected WalRack installations to version 1.1.8 or 2.0.6, respectively, as these releases contain the necessary security fixes. Organizations should implement comprehensive input validation measures to prevent malicious URL encoding from being processed by the application, particularly focusing on file system operations and deletion functions. Network-level protections including web application firewalls and URL filtering mechanisms can help detect and block suspicious encoded URL patterns before they reach the application server. Security teams should conduct thorough penetration testing and vulnerability assessments to identify potential exploitation paths and ensure that all related systems have been properly updated. The implementation of proper access controls and least privilege principles can limit the potential damage from exploitation attempts. Additionally, organizations should monitor for any related vulnerabilities or similar issues within the same software ecosystem, as the presence of one vulnerability often indicates potential for additional security flaws. This vulnerability highlights the importance of maintaining up-to-date software versions and implementing robust security controls around file handling operations. The ATT&CK framework categorizes such vulnerabilities under privilege escalation and defense evasion techniques, while CWE classification would likely fall under CWE-22 for path traversal or CWE-77 for command injection, depending on the specific exploitation method used.