CVE-2016-8926 in Tivoli Application Dependency Discovery Manager
Summary
by MITRE
IBM Tivoli Application Dependency Discovery Manager 7.2.2 and 7.3 could allow a remote attacker to read system files or data that is restricted to authorized users. IBM X-Force ID: 118539.
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Analysis
by VulDB Data Team • 08/31/2020
The vulnerability identified as CVE-2016-8926 affects IBM Tivoli Application Dependency Discovery Manager versions 7.2.2 and 7.3, representing a critical security flaw that enables remote attackers to access restricted system files and data. This issue stems from inadequate access controls within the application's file handling mechanisms, creating an unauthorized data access vector that could compromise sensitive information within enterprise environments. The vulnerability specifically impacts organizations utilizing IBM's application dependency discovery tools for infrastructure monitoring and management.
The technical flaw manifests through improper input validation and access control enforcement within the Tivoli Application Dependency Discovery Manager's file access routines. Attackers can exploit this weakness by crafting malicious requests that bypass normal authentication and authorization checks, allowing them to retrieve files that should only be accessible to authorized system administrators or users with specific privileges. This vulnerability operates at the application layer and can be exploited remotely without requiring prior authentication, making it particularly dangerous for organizations with exposed management interfaces. The flaw aligns with CWE-284, which describes improper access control issues, and represents a classic example of insufficient authorization mechanisms in web applications.
The operational impact of this vulnerability extends beyond simple data exposure, potentially enabling attackers to gather sensitive information about the target environment, including system configurations, application dependencies, and potentially even credentials or other confidential data. Organizations relying on Tivoli Application Dependency Discovery Manager for critical infrastructure monitoring face significant risk, as attackers could use this access to map application dependencies, identify potential attack vectors, or gather intelligence for more sophisticated attacks. The vulnerability could facilitate privilege escalation scenarios where attackers use the leaked information to compromise additional systems within the network. This threat aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing for Information) when combined with other exploitation techniques.
Organizations should immediately implement mitigations including applying the relevant IBM security patches and updates for Tivoli Application Dependency Discovery Manager versions 7.2.2 and 7.3. Network segmentation and firewall rules should be implemented to restrict access to the application's management interfaces, limiting exposure to trusted networks only. Additional protective measures include enabling strong authentication mechanisms, monitoring access logs for suspicious activity, and conducting regular security assessments of the application's configuration. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and establish incident response procedures to address potential compromise scenarios. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect enterprise monitoring and discovery tools from unauthorized access.