CVE-2018-9936: 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 parsing of field elements. 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-5370.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Fixed in 9.0.0.29935Patch ZDI-CAN-5370 - Compensating control
Ensure users do not visit malicious web pages or open malicious files (requires user interaction to exploit).
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9936?
CVE-2018-9936 is rated as a critical vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2018-9936?
To fix CVE-2018-9936, upgrade Foxit Reader or PhantomPDF to version 9.0.1.1049 or later.
What types of user interaction are required to exploit CVE-2018-9936?
Exploitation of CVE-2018-9936 requires the user to visit a malicious web page or open a malicious file.
What software versions are affected by CVE-2018-9936?
CVE-2018-9936 affects Foxit Reader and PhantomPDF versions up to and including 9.0.1.1049.
Can CVE-2018-9936 be exploited without user intervention?
No, CVE-2018-9936 cannot be exploited without user interaction.