Advisory Details

September 29th, 2020

Foxit PhantomPDF U3DBrowser U3D File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2020-17413
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Foxit
AFFECTED PRODUCTS	PhantomPDF
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of U3D objects embedded in PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Foxit has issued an update to correct this vulnerability. More details can be found at: https://www.foxitsoftware.com/support/security-bulletins.php
DISCLOSURE TIMELINE	2020-06-10 - Vulnerability reported to vendor 2020-09-29 - Coordinated public release of advisory 2020-10-09 - Advisory Updated
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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