CVE-2015-7961 in Authentication Service Remote Web Workplace Agent
Summary
by MITRE
SafeNet Authentication Service Remote Web Workplace Agent uses a weak ACL for unspecified installation directories and executable modules, which allows local users to gain privileges by modifying an executable module.
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Analysis
by VulDB Data Team • 01/09/2020
The SafeNet Authentication Service Remote Web Workplace Agent vulnerability represents a critical access control flaw that undermines the security posture of enterprise authentication systems. This weakness manifests in the form of insufficient access control lists within unspecified installation directories and executable modules, creating an exploitable condition that local attackers can leverage to escalate privileges. The vulnerability resides in the installation and execution environment of the authentication service, where proper file system permissions and access controls have not been adequately implemented to prevent unauthorized modifications.
The technical implementation of this vulnerability stems from inadequate discretionary access control mechanisms within the software installation framework. When the SafeNet Authentication Service Remote Web Workplace Agent is installed, it creates directory structures and executable modules that do not enforce strict permission controls. This allows local users to modify critical executable components without proper authorization, effectively bypassing the intended security boundaries. The weak ACL configuration means that users with standard local access can manipulate the software's core components, potentially leading to privilege escalation and unauthorized system access. This flaw directly relates to common weakness enumeration cwe-276 which describes improper permissions for critical resources and attack technique t1068 which covers exploit for privilege escalation through local system modifications.
The operational impact of this vulnerability extends beyond simple privilege escalation, potentially allowing attackers to compromise the entire authentication infrastructure. Once local users gain the ability to modify executable modules, they can inject malicious code or alter legitimate functionality to redirect authentication requests, steal credentials, or create backdoor access points. The remote web workplace agent specifically designed for secure remote access becomes a vector for attackers to establish persistent access to enterprise networks. Organizations relying on this authentication service face significant risks including data breaches, unauthorized access to sensitive systems, and potential lateral movement within their network infrastructure. The vulnerability essentially transforms a security-critical component into an attack surface that can be exploited by any local user with basic system access.
Mitigation strategies for this vulnerability require immediate implementation of proper access control measures and system hardening protocols. Organizations should conduct comprehensive permission audits of all installation directories and executable modules, ensuring that only authorized users and processes can modify critical components. The recommended approach includes implementing strict discretionary access control lists that prevent local users from modifying executable files, while also establishing proper file system permissions that align with the principle of least privilege. System administrators must also implement regular security assessments to identify and remediate similar weak ACL configurations across all authentication and security services. Additionally, organizations should consider implementing application whitelisting policies and integrity monitoring solutions to detect unauthorized modifications to critical system components, thereby providing defense-in-depth against similar privilege escalation attacks that may exploit weak access control mechanisms.