CVE-2018-17671: Foxit Reader XFA Lower Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information 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 Lower method of a XFA object. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6617.
Other sources
This vulnerability allows remote attackers to disclose sensitive information 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 Lower method of a XFA object. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. 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-2018-17671?
CVE-2018-17671 has a medium severity rating due to the potential for remote information disclosure.
How do I fix CVE-2018-17671?
To fix CVE-2018-17671, update Foxit Reader or PhantomPDF to the latest version beyond 9.2.0.9297.
What products are affected by CVE-2018-17671?
CVE-2018-17671 affects Foxit Reader and Foxit PhantomPDF versions up to 9.2.0.9297.
Is user interaction required to exploit CVE-2018-17671?
Yes, user interaction is required as the targeted user must visit a malicious webpage or open a malicious file.
What kind of vulnerability is CVE-2018-17671?
CVE-2018-17671 is a remote information disclosure vulnerability that can expose sensitive information.