CVE-2018-17637: Foxit Reader XFA loadXML 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 loadXML method. 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-6473.
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 loadXML method. 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-2018-17637?
CVE-2018-17637 has a critical severity rating due to its ability to allow remote code execution.
How do I fix CVE-2018-17637?
To mitigate CVE-2018-17637, update Foxit Reader to version 9.3.0.1084 or later.
What products are affected by CVE-2018-17637?
CVE-2018-17637 affects Foxit Reader version 9.2.0.9297 and Foxit PhantomPDF version 9.2.0.9297.
Is user interaction required to exploit CVE-2018-17637?
Yes, user interaction is required for CVE-2018-17637 as the target must visit a malicious page or open a malicious file.
What type of exploitation is possible with CVE-2018-17637?
CVE-2018-17637 allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader.