CVE-2020-8854
Foxit PDF Reader vulnerability analysis and mitigation

Overview

CVE-2020-8854 is a vulnerability discovered in Foxit PhantomPDF that affects the JPEG file conversion to PDF functionality. The vulnerability was reported on October 30, 2019, and publicly disclosed on February 11, 2020. The issue affects Foxit PhantomPDF installations and requires user interaction to exploit, such as visiting a malicious page or opening a malicious file (Zero Day Initiative).

Technical details

The vulnerability stems from the lack of proper validation of user-supplied data during the conversion of JPEG files to PDF, which can result in a write past the end of an allocated structure. The vulnerability has been assigned a CVSS score of 7.8 (High) with the vector string AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local access is required with user interaction (Zero Day Initiative).

Impact

If successfully exploited, this vulnerability allows attackers to execute arbitrary code in the context of the current process. This means an attacker could potentially take control of the affected system with the same privileges as the user running the application (Zero Day Initiative).

Mitigation and workarounds

Foxit has released security updates to address this vulnerability. Users are advised to update their installations to the latest version of the software through the application's update mechanism or by downloading the latest version from the Foxit website (Zero Day Initiative).

Additional resources


SourceThis report was generated using AI

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