CVE-2016-9593 in foreman-debug
Summary
by MITRE
foreman-debug before version 1.15.0 is vulnerable to a flaw in foreman-debug's logging. An attacker with access to the foreman log file would be able to view passwords, allowing them to access those systems.
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Analysis
by VulDB Data Team • 02/28/2023
The vulnerability identified as CVE-2016-9593 affects foreman-debug versions prior to 1.15.0, specifically targeting the logging mechanism within this system administration tool. This flaw represents a critical security weakness that could potentially expose sensitive authentication credentials to unauthorized parties who gain access to log files. The foreman-debug component is designed to provide debugging capabilities for the Foreman management platform, which is widely used for provisioning and managing large-scale IT infrastructures. The vulnerability stems from improper handling of sensitive information within the logging subsystem, creating an avenue for credential exposure that directly impacts system security posture.
The technical flaw manifests in the logging implementation where passwords and other sensitive authentication data are being recorded in plaintext format within log files without adequate sanitization or obfuscation measures. This logging behavior violates fundamental security principles and creates a persistent exposure point that remains active even when normal authentication mechanisms are functioning correctly. The vulnerability aligns with CWE-532, which describes improper logging of sensitive information, and represents a classic example of insecure logging practices that can lead to credential compromise. Attackers who can access the foreman log files are immediately presented with a goldmine of authentication credentials that can be used to gain unauthorized access to target systems, effectively bypassing normal authentication controls and potentially escalating their privileges within the managed infrastructure.
The operational impact of this vulnerability extends beyond simple credential exposure, as it fundamentally undermines the trust model of the Foreman management platform. Organizations relying on foreman-debug for system administration tasks face significant risk of unauthorized access to their managed systems, potentially affecting thousands of servers and network devices. The attack vector is particularly concerning because it requires only access to log files, which may be more readily available than direct system access, especially in environments where log file permissions are not properly configured. This vulnerability can be leveraged by both internal and external attackers who gain access to the system through other means, such as compromised accounts or misconfigured access controls, making it a particularly dangerous flaw in enterprise environments where log files may be accessible to multiple system users or stored in less secure locations.
Mitigation strategies for CVE-2016-9593 primarily focus on immediate remediation through version upgrades to foreman-debug 1.15.0 or later, which includes proper logging sanitization mechanisms. Organizations should also implement comprehensive log management practices including regular log file access reviews, proper file permissions enforcement, and automated log sanitization processes that remove or obfuscate sensitive data before logging occurs. The implementation of the principle of least privilege for log file access and the deployment of centralized logging solutions with proper filtering capabilities can significantly reduce the risk of credential exposure. Additionally, organizations should conduct regular security assessments of their logging infrastructure and implement monitoring solutions that can detect unusual access patterns to log files, providing early warning of potential exploitation attempts. This vulnerability demonstrates the critical importance of secure logging practices and serves as a reminder that even seemingly benign system components can pose significant security risks when not properly secured against credential exposure.