Advisory Details

April 16th, 2020

Foxit PhantomPDF CombineFiles Arbitrary File Write Remote Code Execution Vulnerability

ZDI-20-513
ZDI-CAN-9830

CVE ID CVE-2020-10892
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 communication API. The issue lies in the handling of the CombineFiles command, which allows an arbitrary file write with attacker controlled data. 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
  • 2019-12-19 - Vulnerability reported to vendor
  • 2020-04-16 - Coordinated public release of advisory
CREDIT Anonymous
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