CVE-2010-4026 in Palm webOS
Summary
by MITRE
Unspecified vulnerability in the service API in HP Palm webOS 1.4.1 allows local users to gain privileges by leveraging the ability to perform certain service calls.
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Analysis
by VulDB Data Team • 01/07/2018
The vulnerability identified as CVE-2010-4026 resides within the service API implementation of HP Palm webOS version 1.4.1, representing a critical privilege escalation flaw that enables local attackers to elevate their system access rights. This issue stems from insufficient access controls and authentication mechanisms within the service API framework, which governs how applications and system components communicate with each other. The vulnerability specifically manifests when local users can execute certain service calls that should typically be restricted to privileged system processes or administrators. The flaw essentially allows unauthorized code execution with elevated privileges by exploiting the service API's insufficient validation of caller credentials and authorization levels. This represents a fundamental breakdown in the operating system's security model where the boundary between user-level processes and system-level services becomes porous. The vulnerability is particularly concerning because it operates at the core of the webOS architecture, where service APIs serve as the primary communication channels between different system components and applications. Attackers can leverage this weakness to bypass normal security restrictions that would normally prevent local users from accessing privileged system functions or modifying critical system files and configurations. The service API in webOS 1.4.1 appears to lack proper sandboxing mechanisms that would isolate service calls and enforce strict access control policies. This vulnerability aligns with CWE-284, which describes improper access control issues in software systems, and represents a classic case of insufficient privilege checking in service-oriented architectures. The operational impact of this vulnerability extends beyond simple privilege escalation as it could enable attackers to install malicious applications, modify system configurations, or access sensitive user data. The flaw essentially undermines the entire security model of the webOS platform by allowing local users to perform actions that should be restricted to system administrators or trusted processes. This vulnerability demonstrates the importance of implementing robust access control mechanisms at all levels of system architecture, particularly within service-oriented frameworks where component communication occurs. The security implications are compounded by the fact that the vulnerability exists in a mobile operating system where users may have physical access to devices and can execute code locally. The attack surface is further expanded by the nature of service APIs, which often provide extensive system functionality to legitimate applications while simultaneously creating pathways for malicious exploitation. From an attack perspective, this vulnerability maps to ATT&CK technique T1068, which involves privilege escalation through the exploitation of system vulnerabilities, specifically targeting service API weaknesses in mobile operating systems. The lack of proper input validation and access control checks in the service API creates a persistent security risk that could be exploited by both malicious applications installed on the device and by attackers who gain local access through other means. The vulnerability also reflects broader issues in mobile OS security where the complexity of service-oriented architectures can obscure proper access control enforcement, leading to situations where legitimate system functionality becomes a vector for privilege escalation attacks. Organizations using HP Palm webOS 1.4.1 systems should consider immediate mitigation strategies including system updates, access control hardening, and monitoring for unauthorized service API usage patterns. The vulnerability serves as a reminder of the critical importance of secure service API design and implementation in mobile operating systems, where the integration of multiple services and applications creates complex security boundaries that must be carefully enforced. Proper implementation of the principle of least privilege within service APIs is essential to prevent such vulnerabilities from occurring in future system implementations.