CVE-2018-9966: 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 Calculate actions of TextBox objects. The issue results from the lack of validating 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-5570.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Fixed in 9.0.1.1049Patch ZDI-CAN-5570
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9966?
CVE-2018-9966 is considered a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2018-9966?
To fix CVE-2018-9966, update Foxit Reader and Foxit PhantomPDF to a version later than 9.0.1.1049.
What types of software are affected by CVE-2018-9966?
CVE-2018-9966 affects Foxit Reader and Foxit PhantomPDF versions up to and including 9.0.1.1049.
Is user interaction required to exploit CVE-2018-9966?
Yes, user interaction is required to exploit CVE-2018-9966, as the user must visit a malicious page or open a malicious file.
What kind of attacks can CVE-2018-9966 facilitate?
CVE-2018-9966 can facilitate remote code execution attacks on vulnerable installations.