CVE-2023-39542 : Vulnerability Insights and Analysis

A code execution vulnerability exists in the Javascript saveAs API of Foxit Reader 12.1.3.15356. This vulnerability can be exploited by a specially crafted file, leading to arbitrary file creation and potential remote code execution. Users can fall victim to this exploit by opening malicious files or visiting compromised sites with enabled browser plugin extensions.

Understanding CVE-2023-39542

This section provides insights into the nature and impact of CVE-2023-39542.

What is CVE-2023-39542?

The vulnerability resides in the Javascript saveAs API of Foxit Reader 12.1.3.15356, allowing malicious actors to trigger arbitrary file creation and remote code execution through specially crafted files.

The Impact of CVE-2023-39542

A successful exploitation of this vulnerability can result in significant security risks, including unauthorized file creation and potential remote code execution vulnerabilities.

Technical Details of CVE-2023-39542

Delve deeper into the technical aspects of CVE-2023-39542 to understand its implications.

Vulnerability Description

The vulnerability involves an external control of the file name or path (CWE-73), enabling threat actors to manipulate files and execute arbitrary code with high severity.

Affected Systems and Versions

Foxit Reader version 12.1.3.15356 is confirmed to be susceptible to this vulnerability, putting users of this specific version at risk.

Exploitation Mechanism

Threat actors can exploit this vulnerability by tricking users into opening malicious files or visiting compromised sites with enabled browser plugin extensions, triggering file creation and code execution.

Mitigation and Prevention

Explore the steps and practices to mitigate the risks posed by CVE-2023-39542.

Immediate Steps to Take

Users are advised to exercise caution while interacting with files and websites, ensuring that no suspicious or untrusted sources are accessed to prevent potential exploitation of this vulnerability.

Long-Term Security Practices

Enhancing overall cybersecurity hygiene by regularly updating software, maintaining awareness of security best practices, and implementing robust endpoint protection measures.

Patching and Updates

Vendor-issued patches and updates should be promptly applied to mitigate the vulnerability and safeguard systems against potential threats.