CVE-2017-1476 in Security Access Manager
Summary
by MITRE
IBM Security Access Manager Appliance 7.0.0, 8.0.0 through 8.0.1.6, and 9.0.0 through 9.0.3.1 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 128610.
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Analysis
by VulDB Data Team • 03/21/2023
The vulnerability described in CVE-2017-1476 affects IBM Security Access Manager Appliance versions 7.0.0, 8.0.0 through 8.0.1.6, and 9.0.0 through 9.0.3.1, representing a significant security weakness that could be exploited by remote attackers. This flaw resides in the appliance's failure to properly implement HTTP Strict Transport Security (HSTS) mechanisms, which constitutes a critical oversight in web application security protocols. The vulnerability falls under CWE-319, which specifically addresses the exposure of sensitive information due to inadequate security mechanisms, particularly in the context of web applications and transport layer security. The absence of proper HSTS implementation creates an attack surface that allows adversaries to intercept and manipulate communications between clients and the affected appliance.
The technical flaw manifests through the improper configuration of HTTP headers that should enforce secure communication channels. HSTS is a security feature that prevents downgrade attacks and cookie hijacking by instructing web browsers to only communicate with the server using HTTPS connections. When this mechanism is disabled or improperly configured, attackers can exploit the vulnerability through man-in-the-middle techniques to intercept sensitive information transmitted through the appliance. The vulnerability specifically targets the communication layer where attackers can potentially capture authentication credentials, session tokens, and other sensitive data that flows through the appliance. This weakness directly violates fundamental security principles outlined in the OWASP Top Ten, particularly the category of sensitive data exposure, and aligns with ATT&CK technique T1071.1003 which focuses on application layer protocol manipulation.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables sophisticated attack vectors that could compromise the entire security posture of organizations relying on the appliance. Attackers can leverage this vulnerability to conduct session hijacking, perform credential theft, and potentially escalate privileges within the affected systems. The vulnerability's remote exploitability means that adversaries do not require physical access or network proximity to the appliance, making it particularly dangerous in enterprise environments where such appliances often serve as critical access control points. Organizations using affected versions may experience unauthorized access to protected resources, data breaches, and potential compromise of the entire authentication infrastructure. The vulnerability's persistence across multiple versions indicates a systemic issue in the appliance's security implementation that requires immediate attention and remediation.
Mitigation strategies for CVE-2017-1476 should prioritize immediate implementation of proper HSTS header configuration across all affected appliance versions, with comprehensive testing to ensure the security mechanism functions correctly. Organizations should deploy network monitoring solutions to detect potential man-in-the-middle attacks and establish robust incident response procedures for identifying and responding to exploitation attempts. The remediation process must include verifying that all HTTP responses include appropriate HSTS headers with sufficient max-age values and includeSubDomains directives. Additionally, organizations should conduct thorough security assessments to identify any other potential vulnerabilities in their access management infrastructure, as this flaw may indicate broader security configuration issues. Implementation of network segmentation, enhanced encryption protocols, and regular security audits should complement the immediate patching efforts to provide comprehensive protection against similar vulnerabilities. The fix should also include regular security updates and configuration reviews to prevent recurrence of such issues in future deployments.