CVE-2016-3022 in Security Access Manager For Web
Summary
by MITRE
IBM Security Access Manager for Web could allow an authenticated user to gain access to highly sensitive information due to incorrect file permissions.
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Analysis
by VulDB Data Team • 11/11/2022
IBM Security Access Manager for Web contains a vulnerability that permits authenticated users to access highly sensitive information through improper file permission configurations. This flaw resides in the application's handling of file access controls, where certain sensitive files are configured with inadequate permission settings that allow unauthorized access by authenticated users who should not possess such privileges. The vulnerability specifically affects the web security manager's file system implementation, where critical configuration files, log data, or credential storage locations may be accessible through modified file paths or direct access attempts. The root cause stems from the application failing to properly enforce access control mechanisms at the file system level, creating a path traversal or privilege escalation scenario that could be exploited by malicious insiders or compromised accounts.
The technical exploitation of this vulnerability typically involves an authenticated user leveraging their existing access to navigate to restricted file locations or manipulate file access controls to read sensitive data. This could include accessing administrative configuration files that contain encryption keys, user credential information, or system architecture details that would normally be restricted to privileged administrators. The vulnerability aligns with CWE-276, which addresses incorrect file permissions, and represents a classic case of insufficient access control enforcement. Attackers could potentially use this weakness to escalate privileges or gather intelligence for further exploitation, making it particularly dangerous in environments where the application handles sensitive authentication or authorization data. The flaw demonstrates poor security by design principles where access controls are not properly implemented at the file system level, creating opportunities for information disclosure that could lead to complete system compromise.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can facilitate more severe attacks including privilege escalation, credential theft, and system reconnaissance. Organizations using IBM Security Access Manager for Web may experience unauthorized access to sensitive data that could include user authentication tokens, system configuration details, or proprietary security policies. The vulnerability creates a persistent risk that remains active as long as the affected permissions remain unchanged, potentially allowing attackers to maintain access to sensitive information over extended periods. This weakness particularly affects enterprise environments where security access managers are used to protect critical web applications and where unauthorized access to security configuration data could undermine the entire security infrastructure. The impact is exacerbated when the application is used in conjunction with other security systems, as access to one component could provide pathways to compromise additional security controls.
Organizations should implement immediate mitigations including reviewing and correcting file permissions for all sensitive files within the IBM Security Access Manager for Web installation, ensuring that only authorized administrative accounts possess access to critical configuration and data files. The recommended approach involves implementing proper access control lists that restrict file access to specific user groups and roles, with regular audits to verify that permissions remain appropriate. System administrators should also implement monitoring solutions to detect unauthorized access attempts to sensitive files and establish automated alerts for permission changes that could indicate exploitation attempts. Patch management procedures should be prioritized to ensure that the latest security updates from IBM are applied promptly, as the vendor likely addressed this issue in subsequent releases. Additionally, organizations should conduct comprehensive security assessments of their web security infrastructure to identify similar permission issues across other applications and systems, implementing defense-in-depth strategies that include network segmentation, access logging, and regular security testing to prevent similar vulnerabilities from persisting in the environment.