CVE-2014-1881 in PhoneGap
Summary
by MITRE
Apache Cordova 3.3.0 and earlier and Adobe PhoneGap 2.9.0 and earlier allow remote attackers to bypass intended device-resource restrictions of an event-based bridge via a crafted library clone that leverages IFRAME script execution and waits a certain amount of time for an OnJsPrompt handler return value as an alternative to correct synchronization.
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Analysis
by VulDB Data Team • 04/13/2025
The vulnerability identified as CVE-2014-1881 represents a critical security flaw in Apache Cordova and Adobe PhoneGap mobile application frameworks that affects versions prior to 3.3.0 and 2.9.0 respectively. This issue exploits the event-based bridge mechanism that facilitates communication between JavaScript code running in a web view and native device resources. The vulnerability specifically targets the synchronization mechanisms used during cross-platform communication, creating a pathway for malicious actors to circumvent intended security boundaries that normally restrict access to sensitive device functionalities.
The technical exploitation of this vulnerability relies on a sophisticated attack pattern involving crafted library cloning techniques combined with IFRAME script execution methods. Attackers can construct malicious web content that appears to be a legitimate library or resource but contains malicious code designed to manipulate the timing and execution flow of JavaScript prompts. The vulnerability specifically targets the OnJsPrompt handler mechanism which serves as a critical synchronization point in the communication bridge between JavaScript and native code. By carefully orchestrating script execution timing and exploiting the asynchronous nature of the bridge communication, attackers can bypass the intended security restrictions that normally prevent JavaScript code from accessing device resources directly.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass full device resource access capabilities. When successfully exploited, the vulnerability allows remote attackers to execute arbitrary code with the privileges of the application, potentially gaining access to sensitive data, device sensors, file systems, and other native device functionalities. This represents a significant compromise of the security model that mobile application frameworks rely upon to maintain separation between application code and device-level resources. The vulnerability essentially undermines the fundamental security boundary that prevents web-based JavaScript from directly accessing device hardware and system resources, creating a persistent backdoor for attackers.
From a cybersecurity perspective, this vulnerability aligns with CWE-284, which addresses improper access control issues, and demonstrates characteristics consistent with privilege escalation attacks. The attack vector leverages the legitimate IFRAME execution capabilities that are commonly used in mobile web applications while exploiting timing-based synchronization flaws that are often overlooked during security reviews. The timing aspect of the attack is particularly concerning as it suggests that the vulnerability may be difficult to detect through standard network monitoring or static code analysis tools. Organizations implementing mobile applications using affected versions of Cordova or PhoneGap face significant risk of data breaches, privacy violations, and potential device compromise.
Mitigation strategies for CVE-2014-1881 require immediate version upgrades to patched releases of Apache Cordova and Adobe PhoneGap frameworks. System administrators should also implement comprehensive security monitoring to detect anomalous IFRAME execution patterns and unusual JavaScript prompt behaviors. Additional defensive measures include implementing strict content security policies, validating all external resource loading, and establishing robust application sandboxing mechanisms. The vulnerability underscores the importance of thorough security testing for mobile application frameworks and highlights the need for proper synchronization mechanism design in cross-platform communication bridges. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation attempts.