CVE-2018-9940: Incorrect Type Cast
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 layout sheet attribute. 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-5374.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Fixed in 9.0.0.29935 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ZDI-CAN-5374
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9940?
CVE-2018-9940 has been assigned a critical severity rating due to its potential for remote code execution.
How do I fix CVE-2018-9940?
To fix CVE-2018-9940, update Foxit Reader or Foxit PhantomPDF to version 9.0.1.1050 or later.
What software is affected by CVE-2018-9940?
CVE-2018-9940 affects Foxit Reader versions up to 9.0.1.1049 and Foxit PhantomPDF versions up to 9.0.1.1049.
What type of attack does CVE-2018-9940 involve?
CVE-2018-9940 involves a remote code execution attack that requires user interaction, such as opening a malicious file.
Is user interaction required for CVE-2018-9940 to be exploited?
Yes, user interaction is required to exploit CVE-2018-9940, as the user must visit a malicious page or open a specific file.