CVE-2006-0484 in FACE CONTROL
Summary
by MITRE
Directory traversal vulnerability in Vis.pl, as part of the FACE CONTROL product, allows remote attackers to read arbitrary files via a .. (dot dot) in any parameter that opens a file, such as (1) s or (2) p.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 08/01/2017
The vulnerability identified as CVE-2006-0484 represents a critical directory traversal flaw within the Vis.pl component of the FACE CONTROL product suite. This vulnerability stems from insufficient input validation mechanisms that fail to properly sanitize user-supplied parameters before processing file operations. The flaw specifically manifests when the application accepts parameters such as 's' or 'p' that are subsequently used to open files, creating an avenue for malicious actors to manipulate file access paths through directory traversal sequences. The vulnerability is classified under CWE-22, which defines improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. These attacks exploit the fundamental weakness in how applications handle file system operations by allowing attackers to navigate beyond intended directories and access restricted files.
The operational impact of this vulnerability extends beyond simple information disclosure, as remote attackers can leverage the directory traversal capability to access sensitive system files, configuration data, and potentially system credentials that may be stored in accessible locations. The attack vector requires minimal complexity since attackers only need to construct malicious URLs or parameter values containing the .. (dot dot) sequences to exploit the vulnerability. This weakness in the FACE CONTROL product's Vis.pl component creates a persistent security risk that can be exploited from any remote location without requiring authentication or specialized privileges. The vulnerability directly violates security principles established in the OWASP Top Ten, specifically addressing the issue of insufficient input validation and improper error handling that leads to unauthorized access to system resources.
Mitigation strategies for CVE-2006-0484 should prioritize immediate input validation and sanitization measures that explicitly filter or reject directory traversal sequences from all user-supplied parameters. The implementation of a whitelist-based approach for parameter validation, combined with proper path normalization techniques, can effectively neutralize the vulnerability. Security practitioners should also consider implementing web application firewalls that can detect and block suspicious parameter sequences containing directory traversal patterns. Additionally, the principle of least privilege should be enforced by ensuring that the application runs with minimal required permissions and that file access operations are restricted to specific directories through proper access control mechanisms. The vulnerability demonstrates the importance of defense-in-depth strategies and aligns with ATT&CK framework techniques related to privilege escalation and credential access through path traversal methods. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the FACE CONTROL product suite, as this represents a systemic weakness that may exist in other file handling functions within the application.