CVE-2019-20827 : Vulnerability Insights and Analysis

A vulnerability was found in versions 3.3 of both Foxit PhantomPDF Mac and Foxit Reader for Mac. This vulnerability occurs due to an interaction between the ICC-Based color space and the Alternate color space, resulting in excessive stack usage.

Understanding CVE-2019-20827

This CVE identifies a specific vulnerability in Foxit PhantomPDF Mac and Foxit Reader for Mac versions 3.3.

What is CVE-2019-20827?

This CVE refers to a flaw in the affected versions of Foxit PhantomPDF Mac and Foxit Reader for Mac, leading to stack consumption because of the interaction between ICC-Based and Alternate color spaces.

The Impact of CVE-2019-20827

The vulnerability can potentially allow attackers to exploit the excessive stack usage, leading to a denial of service or possibly arbitrary code execution on the affected systems.

Technical Details of CVE-2019-20827

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from the interaction between ICC-Based color space and Alternate color space in Foxit PhantomPDF Mac 3.3 and Foxit Reader for Mac before 3.3, causing stack consumption.

Affected Systems and Versions

Foxit PhantomPDF Mac version 3.3
Foxit Reader for Mac version 3.3

Exploitation Mechanism

The vulnerability is exploited through manipulating the interaction between ICC-Based and Alternate color spaces, leading to excessive stack usage.

Mitigation and Prevention

Protecting systems from CVE-2019-20827 is crucial to maintaining security.

Immediate Steps to Take

Update Foxit PhantomPDF Mac and Foxit Reader for Mac to versions beyond 3.3 to mitigate the vulnerability.
Monitor for any unusual stack consumption or system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Stay informed about security bulletins and updates from Foxit Software to address vulnerabilities promptly.