CVE-2018-17633: Foxit Reader Annotation subject Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.2.0.9297. 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 subject property of Annotation 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 in the context of the current process. Was ZDI-CAN-6498.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader. 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 subject property of Annotation 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 in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-17633?
CVE-2018-17633 has a critical severity rating due to its potential to allow remote code execution.
How do I fix CVE-2018-17633?
To fix CVE-2018-17633, update Foxit Reader or PhantomPDF to version 9.2.0.9298 or later.
What causes CVE-2018-17633?
CVE-2018-17633 is caused by a flaw in the handling of malicious files and web pages that can lead to arbitrary code execution.
Is user interaction required to exploit CVE-2018-17633?
Yes, user interaction is required as the victim must visit a malicious page or open a harmful file.
Which versions of Foxit software are affected by CVE-2018-17633?
CVE-2018-17633 affects Foxit Reader and PhantomPDF versions up to 9.2.0.9297.