CVE-2006-5979 in NetJetServer
Summary
by MITRE
Renasoft NetJetServer 2.5.3.939, and possibly earlier, uses insecure permissions for Global.asa, which allows remote attackers to obtain sensitive information. NOTE: the provenance of this information is unknown; details are obtained from third party sources.
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Analysis
by VulDB Data Team • 04/27/2026
The vulnerability identified as CVE-2006-5979 affects Renasoft NetJetServer version 2.5.3.939 and potentially earlier versions, representing a critical security flaw in web application infrastructure. This issue stems from insecure permissions applied to the Global.asa file, which serves as a crucial component in classic asp web applications for handling global application events and configuration settings. The Global.asa file typically contains sensitive information including database connection strings, authentication credentials, and application-specific configurations that should remain protected from unauthorized access. When this file is improperly configured with weak permissions, it creates an avenue for remote attackers to gain access to confidential data that would normally be restricted to authorized personnel only.
The technical exploitation of this vulnerability falls under the category of information disclosure through insecure file permissions, which aligns with CWE-276, specifically the improper permissions for a resource. In the context of web server environments, this flaw represents a fundamental misconfiguration that allows attackers to bypass normal access controls. The Global.asa file in classic asp applications is designed to be executed by the web server when specific application events occur, but when its permissions are set incorrectly, it becomes accessible to any remote user who can make HTTP requests to the server. This misconfiguration typically involves setting the file permissions to allow read access for all users rather than restricting access to the web server process and authorized administrators only, creating a direct path for information extraction.
The operational impact of this vulnerability extends beyond simple information disclosure, as the sensitive data exposed through the Global.asa file could include database connection details, user authentication mechanisms, and other critical system configuration parameters. Attackers who successfully exploit this vulnerability can potentially use the extracted information to perform further attacks such as database infiltration, credential harvesting, or privilege escalation within the affected system. The remote nature of the attack means that exploitation does not require physical access to the server or local network presence, making it particularly dangerous in internet-facing web applications. This vulnerability also aligns with ATT&CK technique T1566, which covers credential access through the exploitation of insecure permissions and access controls, and represents a classic example of how poor permission management can lead to significant security breaches.
Mitigation strategies for CVE-2006-5979 should focus on implementing proper file permission controls for the Global.asa file and similar sensitive configuration files within the web application infrastructure. System administrators must ensure that all sensitive files are configured with restrictive permissions that limit access to only the necessary processes and users. This includes setting appropriate access control lists that prevent unauthorized users from reading or executing sensitive files, while ensuring that the web server process retains the necessary permissions to function properly. Additionally, organizations should implement regular security audits to verify that file permissions are correctly configured and monitor for any unauthorized access attempts to sensitive system resources. The remediation process should also include updating to supported versions of NetJetServer where such permission issues have been properly addressed and implementing comprehensive security policies that govern file access controls across all web application components.