CVE-2008-1118 in Timbuktu Pro
Summary
by MITRE
Timbuktu Pro 8.6.5 for Windows, and possibly 8.7 for Mac OS X, does not perform input validation before logging information fields taken from packets from a remote peer, which allows remote attackers to generate crafted log entries, and possibly avoid detection of attacks, via modified (1) computer name, (2) user name, and (3) IP address fields.
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Analysis
by VulDB Data Team • 10/19/2024
The vulnerability identified as CVE-2008-1118 affects Timbuktu Pro 8.6.5 for Windows and potentially version 8.7 for Mac OS X, representing a significant security flaw in remote desktop and network management software. This issue stems from inadequate input validation mechanisms within the logging subsystem of the application, creating a pathway for malicious actors to manipulate log entries generated from remote peer communications. The vulnerability specifically targets the logging of information fields extracted from network packets, which are typically used for monitoring and administrative purposes within network management systems.
The technical flaw manifests through three primary attack vectors involving modified computer name, user name, and IP address fields within the network packets. When Timbuktu Pro processes incoming packets from remote peers, it accepts and logs these fields without proper validation or sanitization of the input data. This lack of input validation creates opportunities for attackers to inject malicious or misleading information into the system's log files. The vulnerability operates at the application layer of the network stack, specifically targeting the logging functionality that processes peer information, making it particularly dangerous in environments where audit trails and log monitoring are critical for security operations.
The operational impact of this vulnerability extends beyond simple log manipulation, potentially enabling sophisticated attack evasion techniques. Attackers can craft malicious log entries that obscure their actual activities within the network, making it difficult for security personnel to detect unauthorized access attempts or malicious behavior through traditional log analysis methods. This capability directly contradicts fundamental security principles of integrity and non-repudiation, as the log entries may no longer accurately reflect the true state of network activities. The vulnerability creates a false sense of security for administrators who rely on these logs for monitoring purposes, potentially allowing malicious activities to remain undetected for extended periods.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-20, which describes improper input validation, and represents a classic case of insufficient logging and monitoring controls. The issue also maps to ATT&CK technique T1562.006, which involves "Timestomp" and related log manipulation activities that adversaries use to evade detection. Organizations utilizing Timbuktu Pro in security-sensitive environments face particular risk, as the vulnerability undermines the integrity of their security monitoring infrastructure. The potential for attackers to manipulate log entries creates a significant gap in defensive capabilities, particularly in environments where security information and event management (SIEM) systems rely heavily on accurate log data for threat detection and incident response.
Mitigation strategies should focus on implementing proper input validation and sanitization within the Timbuktu Pro application, ensuring that all fields extracted from remote peer communications are rigorously validated before being logged. Organizations should consider upgrading to patched versions of the software where available, as well as implementing additional monitoring controls to detect anomalous log patterns that might indicate manipulation attempts. Network segmentation and access controls should be strengthened to limit the potential impact of such vulnerabilities, while regular log integrity checks and anomaly detection mechanisms should be deployed to identify manipulated entries. Additionally, administrators should consider implementing independent logging mechanisms that can cross-verify information from Timbuktu Pro logs against other network monitoring data sources to maintain security posture integrity.