CVE-2012-1712 in Glassfish Web Space Server10.0
Summary
by MITRE
Directory traversal vulnerability in the Liferay component in Oracle Sun GlassFish Web Space Server before 10.0 Update 7 Patch 2 has unknown impact and attack vectors.
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Analysis
by VulDB Data Team • 02/08/2018
The vulnerability identified as CVE-2012-1712 represents a directory traversal flaw within the Liferay component of Oracle Sun GlassFish Web Space Server version 10.0 Update 7 Patch 1 and earlier. This directory traversal vulnerability allows an attacker to access files and directories outside the intended scope of the web application, potentially leading to unauthorized data access, system compromise, or information disclosure. The vulnerability exists in the way the application processes file paths and handles user input that influences file system operations, creating an opportunity for malicious actors to navigate beyond the designated web root directory.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the Liferay component of the GlassFish server. When user-supplied data is directly incorporated into file system operations without proper validation or encoding, attackers can manipulate path traversal sequences such as ../ or ..\ to access files outside the intended directory structure. This flaw typically occurs in applications that dynamically construct file paths based on user input, failing to properly sanitize or validate the input before using it in file system operations. The vulnerability falls under CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can enable attackers to access sensitive configuration files, application source code, database files, or even system-level files that should remain protected. In the context of a web space server environment, this could allow unauthorized access to user data, application credentials, or system configurations that could be leveraged for further exploitation. The unknown attack vectors mentioned in the original description suggest that multiple entry points or exploitation methods may exist, making the vulnerability particularly concerning for security professionals who must consider all potential attack surfaces.
Organizations running affected versions of Oracle Sun GlassFish Web Space Server face significant security risks from this vulnerability, as it could be exploited by remote attackers without authentication. The lack of specific impact details in the original CVE description indicates that the vulnerability may have multiple severity levels depending on the specific implementation and configuration of the affected systems. Security teams should consider implementing network segmentation, access controls, and monitoring for unusual file system access patterns as part of their defensive strategy. This vulnerability aligns with ATT&CK technique T1083, which covers discovering file and directory permissions, and T1566, which covers credential harvesting through social engineering or system exploitation.
The recommended mitigation approach involves applying the vendor-provided patch or update to Oracle Sun GlassFish Web Space Server 10.0 Update 7 Patch 2, which addresses the directory traversal vulnerability through proper input validation and sanitization mechanisms. Additionally, organizations should implement defensive coding practices that prevent user input from being directly used in file system operations, including the use of allowlists for file access, proper path validation, and input sanitization techniques. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense, while regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the application stack. The vulnerability demonstrates the critical importance of proper input validation and the principle of least privilege in web application security design, as it highlights how seemingly simple input handling flaws can create significant security risks in enterprise environments.