CVE-2005-2382 in peanuthull
Summary
by MITRE
oray peanuthull 3.0.1.0 and earlier does not properly drop system privileges when launched from the system tray which allows local users to gain privileges by accessing the help functionality.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 07/10/2018
The vulnerability identified as CVE-2005-2382 affects Oray PeanutHull versions 3.0.1.0 and earlier, representing a critical privilege escalation flaw in the system tray execution mechanism. This vulnerability stems from improper privilege management during application initialization, where the software fails to correctly drop elevated system privileges after launching from the system tray context. The flaw specifically manifests when users access the help functionality of the application, creating an exploitable condition that allows local attackers to escalate their privileges to the system level.
The technical implementation of this vulnerability involves a classic privilege escalation vector where the application maintains elevated privileges unnecessarily during runtime. When launched from the system tray, the software should automatically downgrade its privileges to operate with standard user permissions, but this privilege dropping mechanism fails. The help functionality serves as the attack surface because it typically requires elevated access to perform certain system operations, and the application's failure to properly manage these privileges creates a persistent security gap. This issue directly relates to CWE-276, which addresses improper privileges, and CWE-250, concerning execution with unnecessary privileges, both of which are fundamental to understanding the root cause of the vulnerability.
From an operational perspective, this vulnerability presents a significant risk to system security as local users can exploit it to gain system-level access without requiring additional authentication or complex attack vectors. The attack requires only local system access and knowledge of the application's help functionality, making it particularly dangerous in multi-user environments where privilege separation is crucial for security. The impact extends beyond simple privilege escalation to potentially allow attackers to modify system files, install malicious software, or access sensitive data that would normally be restricted to administrators. This vulnerability aligns with ATT&CK technique T1068, which covers local privilege escalation, and T1548.002, concerning abuse of secondary credentials, as the application effectively provides unauthorized access to elevated system resources.
The mitigation strategy for this vulnerability involves immediate patching of the affected Oray PeanutHull versions to ensure proper privilege dropping mechanisms are implemented. System administrators should verify that all instances of the software are updated to versions that address this specific flaw. Additionally, implementing proper privilege separation controls and monitoring for unauthorized privilege escalation attempts can help detect exploitation attempts. Organizations should also consider implementing application whitelisting policies to restrict execution of vulnerable software and regularly audit system privileges to ensure proper enforcement of least privilege principles. The vulnerability demonstrates the critical importance of proper privilege management in system tray applications and highlights the need for comprehensive security testing of all application launch contexts, particularly those that may be invoked through user interaction with help or support features.