CVE-2018-9938: 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 absPageSpan 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-5372.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Patch ZDI-CAN-5372
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9938?
CVE-2018-9938 is classified as critical due to its ability to allow remote code execution.
How do I fix CVE-2018-9938?
To address CVE-2018-9938, update Foxit Reader or PhantomPDF to version 9.0.1.1049 or later.
Who is affected by CVE-2018-9938?
CVE-2018-9938 affects users of Foxit Reader and PhantomPDF versions up to and including 9.0.1.1049.
What type of attacks can exploit CVE-2018-9938?
CVE-2018-9938 can be exploited through malicious files or web pages that the user interacts with.
Is user interaction required to exploit CVE-2018-9938?
Yes, exploitation of CVE-2018-9938 requires user interaction to open a malicious file or visit a harmful page.