CVE-2018-9956: Use After Free
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.1049. 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 XFA Button elements. When setting the title attribute, the process does not properly validate the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5617.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9956?
CVE-2018-9956 is considered to have high severity due to its potential for remote code execution.
How do I fix CVE-2018-9956?
To fix CVE-2018-9956, users should update to Foxit Reader or PhantomPDF version 9.0.1.1050 or later.
Who is affected by CVE-2018-9956?
CVE-2018-9956 affects users of Foxit Reader and PhantomPDF versions up to and including 9.0.1.1049.
What types of attacks can exploit CVE-2018-9956?
CVE-2018-9956 can be exploited through remote code execution by visiting a malicious page or opening a malicious file.
Is user interaction required to exploit CVE-2018-9956?
Yes, user interaction is required to exploit CVE-2018-9956 as the victim must engage with a malicious web page or file.