CVE-2020-12248 : Security Advisory and Response

In Foxit Reader and PhantomPDF before 10.0.1, attackers can exploit a heap-based buffer overflow vulnerability to execute arbitrary code due to mishandling of dirty image-resource data.

Understanding CVE-2020-12248

This CVE identifies a critical security issue in Foxit Reader and PhantomPDF versions prior to 10.0.1 and PhantomPDF versions before 9.7.3.

What is CVE-2020-12248?

CVE-2020-12248 is a vulnerability that allows attackers to trigger a heap-based buffer overflow in Foxit Reader and PhantomPDF, potentially leading to the execution of arbitrary code.

The Impact of CVE-2020-12248

The exploitation of this vulnerability can result in unauthorized execution of arbitrary code by malicious actors, posing a significant threat to the security and integrity of affected systems.

Technical Details of CVE-2020-12248

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from the mishandling of dirty image-resource data, leading to a heap-based buffer overflow in Foxit Reader and PhantomPDF.

Affected Systems and Versions

Foxit Reader versions before 10.0.1
PhantomPDF versions before 10.0.1 and PhantomPDF versions before 9.7.3

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating image-resource data, triggering a heap-based buffer overflow and enabling the execution of arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2020-12248 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Foxit Reader and PhantomPDF to versions 10.0.1 or later to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update software to address security vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

Apply security patches and updates provided by Foxit Software to address the CVE-2020-12248 vulnerability.