CVE-2014-6284 in Adaptive Server Enterprise
Summary
by MITRE
SAP Adaptive Server Enterprise (ASE) before 15.7 SP132 and 16.0 before 16.0 SP01 allows remote attackers to bypass the challenge and response mechanism and obtain access to the probe account via a crafted response, aka SAP Security Note 2113995.
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Analysis
by VulDB Data Team • 12/15/2024
SAP Adaptive Server Enterprise represents a critical database management system component within enterprise environments, serving as the backbone for numerous business applications and financial systems. The vulnerability described in CVE-2014-6284 specifically targets the authentication mechanism of SAP ASE, which operates under the principle of challenge-response protocols designed to prevent unauthorized access to database resources. This flaw exists in versions prior to 15.7 SP132 and 16.0 SP01, indicating a widespread impact across multiple generations of the SAP ASE product line. The vulnerability stems from an insufficient validation of authentication responses, allowing malicious actors to craft specific responses that bypass the intended security controls. This represents a fundamental failure in the authentication protocol implementation, creating a pathway for unauthorized access that undermines the core security posture of SAP ASE deployments.
The technical exploitation of this vulnerability occurs through the manipulation of the challenge-response authentication mechanism that SAP ASE employs to verify user credentials. When a probe account is targeted, attackers can craft specially formatted responses that satisfy the authentication system without proper verification of the challenge parameters. This flaw operates at the protocol level, specifically affecting how the system validates authentication tokens and responses. The vulnerability is categorized under CWE-287 which addresses improper authentication issues, where the system fails to properly verify the authenticity of authentication responses. This weakness allows for credential stuffing attacks where attackers can gain access to probe accounts without needing to know valid credentials, effectively bypassing the entire authentication framework. The attack vector is remote, meaning that exploitation can occur from external networks without requiring physical access to the database server or insider knowledge of system internals.
The operational impact of this vulnerability extends far beyond simple unauthorized access to a single account. Organizations using vulnerable SAP ASE versions face significant risks including data breaches, unauthorized data manipulation, and potential system compromise that can lead to complete database infiltration. The probe account typically serves as a monitoring or administrative account that may have elevated privileges within the database environment, making its compromise particularly dangerous. Attackers who successfully exploit this vulnerability can potentially escalate their access to other database resources, extract sensitive information, modify critical data, or establish persistent backdoors within the enterprise network. This vulnerability directly impacts the CIA triad by compromising confidentiality through unauthorized data access, integrity through potential data manipulation, and availability through possible system disruption. The risk is amplified in enterprise environments where SAP ASE often serves as a central repository for financial data, customer information, and business-critical applications that are subject to regulatory compliance requirements.
Mitigation strategies for CVE-2014-6284 require immediate implementation of SAP security patches and updates, specifically targeting the affected versions of SAP ASE. Organizations should prioritize upgrading to SAP ASE 15.7 SP132 or 16.0 SP01, which contain the necessary fixes for the authentication bypass vulnerability. Network segmentation should be implemented to limit access to SAP ASE servers, ensuring that only authorized systems can reach database resources. Additional protective measures include implementing strong access controls for probe accounts, enabling detailed logging of authentication events, and conducting regular security assessments of database environments. Security monitoring should focus on detecting anomalous authentication patterns and unusual access attempts that might indicate exploitation attempts. The remediation process should also include reviewing and updating authentication policies, implementing multi-factor authentication where possible, and ensuring that database accounts follow principle of least privilege. Organizations should also consider implementing intrusion detection systems and security information event management solutions to monitor for exploitation attempts and maintain audit trails for compliance purposes. This vulnerability demonstrates the importance of keeping database systems updated and highlights the critical nature of authentication mechanisms in enterprise security architectures.