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8.8

Foxit Reader can run malicious code via crafted file

CVE-2018-9943 · published 8 years ago
Summary

The Foxit Reader and PhantomPDF versions 9.0.0.29935 can be tricked into running unwanted code if a user opens a specially crafted PDF or visits a malicious web page. The problem is a failure to properly check data, allowing attackers to run code with the same rights as the user. Update to the latest version of Foxit Reader or PhantomPDF as soon as possible, and advise users not to open unknown files or links.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
foxitsoftware foxit_reader <= 9.0.1.1049
cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
foxitsoftware phantompdf <= 9.0.1.1049
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*
Original advisory text
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. User interaction is required to exploit this vulnerability in that the ...
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.0.29935. 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 the openList method. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5377.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
3% chance of attack within 30 days
Type
CWE-704Incorrect Type Conversion or Cast
Timeline
Published17 May 2018
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2018-9943 · NVD
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