Advisory Details

March 22nd, 2021

Foxit PhantomPDF U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2021-27266
CVSS SCORE	3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS	Foxit
AFFECTED PRODUCTS	PhantomPDF
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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 user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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	2020-11-11 - Vulnerability reported to vendor 2021-03-22 - Coordinated public release of advisory
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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