CVE-2008-2139 in Appliance Platform Agent
Summary
by MITRE
The rootpw plugin in rPath Appliance Platform Agent 2 and 3 does not re-validate requests from a browser with a valid administrator session, including requests to change the password, which makes it easier for physically proximate attackers to gain privileges and maintain control over the administrator account.
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Analysis
by VulDB Data Team • 11/16/2017
The vulnerability described in CVE-2008-2139 resides within the rootpw plugin of the rPath Appliance Platform Agent version 2 and 3, representing a critical security flaw that undermines the integrity of administrative access controls. This issue specifically affects systems where the platform agent is deployed, creating a pathway for unauthorized privilege escalation through session manipulation techniques. The vulnerability manifests when the system fails to properly validate subsequent requests made through a browser session that already possesses administrative credentials, fundamentally weakening the authentication and authorization mechanisms that should protect sensitive administrative functions.
The technical flaw stems from inadequate session validation logic within the rootpw plugin component, which operates under the assumption that once a user has established a valid administrator session, all subsequent requests originating from that session should automatically be granted access without additional verification. This design decision creates a persistent security gap where an attacker who has gained access to a legitimate administrative session can manipulate the system to change passwords or perform other administrative actions without proper re-authentication. The vulnerability operates at the application layer and directly impacts the platform agent's ability to maintain secure administrative boundaries, effectively bypassing the expected multi-factor authentication and session integrity checks that should protect against unauthorized access.
From an operational impact perspective, this vulnerability creates a significant risk for organizations deploying rPath Appliance Platform Agent versions 2 and 3, as it allows physically proximate attackers to gain unauthorized access to administrative accounts without requiring additional credentials or authorization steps. The attack vector is particularly concerning because it only requires physical proximity to the system, eliminating the need for network-based exploitation or complex credential harvesting techniques. This makes the vulnerability especially dangerous in environments where physical security controls may be inadequate or where unauthorized personnel have access to administrative workstations. The ability to maintain control over the administrator account through password changes provides attackers with persistent access that can be leveraged for further compromise of the system or network.
The vulnerability aligns with CWE-613, which addresses inadequate session management, and represents a specific instance of insufficient authentication validation that could be exploited through the ATT&CK technique of privilege escalation. Organizations should implement immediate mitigations including updating to patched versions of the rPath Appliance Platform Agent, implementing additional session validation mechanisms, and establishing stricter physical security controls around administrative systems. The remediation approach should focus on enforcing re-authentication for sensitive administrative actions, implementing proper session timeout mechanisms, and ensuring that all administrative functions require explicit authorization regardless of existing session state. Security monitoring should be enhanced to detect unusual administrative activity patterns and unauthorized session modifications that could indicate exploitation of this vulnerability.
This vulnerability demonstrates the critical importance of proper session management in security-critical applications and highlights how seemingly minor implementation flaws can create significant security risks. The weakness in the rootpw plugin's design creates a persistent backdoor that can be exploited by attackers with minimal technical skill and physical access, making it particularly dangerous in environments where physical security is not adequately maintained. Organizations should conduct comprehensive security assessments of their administrative systems and ensure that all administrative functions require explicit re-authentication for sensitive operations, particularly those that can result in privilege escalation or account compromise.