CVE-2018-5679 : Exploit Details and Defense Strategies

An exploit has been identified in Foxit Reader versions earlier than 9.1 and PhantomPDF versions earlier than 9.1, allowing remote attackers to execute arbitrary code.

Understanding CVE-2018-5679

This CVE involves a vulnerability in Foxit Reader and PhantomPDF versions prior to 9.1 that enables remote code execution.

What is CVE-2018-5679?

The vulnerability arises from inadequate validation when handling pdf files with embedded u3d images, allowing attackers to execute arbitrary code.

The Impact of CVE-2018-5679

Remote attackers can execute arbitrary code on vulnerable installations of Foxit Reader and PhantomPDF.
User interaction is required, such as visiting a malicious page or opening a malicious file.
Attackers can exploit this flaw to read beyond the allocated object due to improper validation of user-supplied data.
This vulnerability is distinct from CVE-2018-5677 and CVE-2018-5680.

Technical Details of CVE-2018-5679

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability allows remote attackers to execute arbitrary code by exploiting the inadequate validation process in handling pdf files with embedded u3d images.

Affected Systems and Versions

Foxit Reader versions earlier than 9.1
PhantomPDF versions earlier than 9.1

Exploitation Mechanism

Attackers can leverage the vulnerability by interacting with a malicious webpage or opening a malicious file.

Mitigation and Prevention

Protecting systems from CVE-2018-5679 is crucial to prevent potential exploitation.

Immediate Steps to Take

Update Foxit Reader and PhantomPDF to versions 9.1 or later.
Avoid interacting with suspicious or untrusted pdf files or websites.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement security measures like firewalls and antivirus software.

Patching and Updates

Stay informed about security bulletins and advisories from Foxit Software.