CVE-2018-17679 : Exploit Details and Defense Strategies

Foxit Reader 9.2.0.9297 allows remote attackers to execute arbitrary code by exploiting a vulnerability that requires user interaction. The issue stems from how the software handles PDF documents, enabling attackers to manipulate elements and execute code within the current process context.

Understanding CVE-2018-17679

This CVE entry details a critical vulnerability in Foxit Reader 9.2.0.9297 that can be exploited by remote attackers.

What is CVE-2018-17679?

Remote attackers can exploit a vulnerability in Foxit Reader 9.2.0.9297 to execute arbitrary code on affected systems.
User interaction is necessary, such as visiting a malicious page or opening a malicious file.
The vulnerability arises from how the software parses PDF documents, allowing attackers to manipulate elements and execute code within the current process context.

The Impact of CVE-2018-17679

Attackers can execute arbitrary code on vulnerable installations of Foxit Reader 9.2.0.9297.
This vulnerability poses a significant risk to system security as it allows attackers to run code within the context of the affected process.

Technical Details of CVE-2018-17679

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability is classified as CWE-416: Use After Free.
It allows attackers to reuse a pointer after it has been freed, leading to code execution.

Affected Systems and Versions

Product: Foxit Reader
Vendor: Foxit
Version: 9.2.0.9297

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating elements in a PDF document to reuse a freed pointer and execute code within the current process context.

Mitigation and Prevention

Protecting systems from CVE-2018-17679 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader to the latest version to patch the vulnerability.
Exercise caution when visiting unknown websites or opening files from untrusted sources.

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Implement security measures such as endpoint protection and network monitoring to detect and prevent malicious activities.

Patching and Updates

Stay informed about security bulletins and advisories from Foxit and security organizations.
Apply patches and updates promptly to address known vulnerabilities.