CVE-2018-14260 in Foxit
Summary
by MITRE
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.1049. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the getPageRotation method. By performing actions in JavaScript, an attacker can trigger a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-6023.
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Analysis
by VulDB Data Team • 03/11/2020
The vulnerability identified as CVE-2018-14260 represents a critical security flaw in Foxit Reader version 9.0.1.1049 that enables remote code execution through a type confusion vulnerability within the getPageRotation method. This issue falls under the Common Weakness Enumeration category CWE-129, which encompasses weaknesses related to improper handling of input validation and type checking in software applications. The vulnerability specifically manifests when the PDF reader processes JavaScript commands that manipulate the getPageRotation method, creating conditions where the application fails to properly validate data types during execution. This type confusion vulnerability allows attackers to manipulate memory operations and execute arbitrary code within the context of the current process, effectively bypassing normal security boundaries.
The exploitation of this vulnerability requires user interaction, making it particularly dangerous in phishing scenarios or when users encounter malicious PDF files in web browsing contexts. According to the ATT&CK framework, this vulnerability maps to technique T1203 - Exploitation for Client Execution, where adversaries leverage vulnerabilities in software applications to execute malicious code on target systems. The attack vector typically involves a malicious webpage or PDF file that, when opened or viewed, triggers the vulnerable JavaScript code path. The vulnerability's impact extends beyond simple code execution as it allows full control over the application's process, potentially enabling attackers to access sensitive data, install additional malware, or establish persistent access to the compromised system.
From a technical perspective, the type confusion condition occurs when the getPageRotation method fails to properly distinguish between different data types during JavaScript processing, leading to memory corruption that can be exploited by attackers. This flaw demonstrates a fundamental breakdown in input validation and memory management within the Foxit Reader application's JavaScript engine. The vulnerability's severity is amplified by the fact that it operates within the context of a widely used PDF reader application, making it an attractive target for cybercriminals seeking to compromise large numbers of users. Organizations and individuals using Foxit Reader version 9.0.1.1049 should immediately implement mitigations including application whitelisting, browser security restrictions, and prompt software updates to address this vulnerability. The ZDI-CAN-6023 reference indicates this vulnerability was recognized and tracked by the Zero Day Initiative, highlighting its significance in the cybersecurity community and the need for immediate remediation efforts.