CVE-2019-6756: Foxit PhantomPDF net HTML File Parsing Use-After-Free Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit PhantomPDF 9.4.0.16811. 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 parsing of HTML files. 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 in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-7769.
Other sources
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit PhantomPDF. 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 parsing of HTML files. 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 in conjunction with other vulnerabilities to execute code in the context of the current process.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2019-6756?
CVE-2019-6756 is considered a medium severity vulnerability that can lead to sensitive information disclosure.
How do I fix CVE-2019-6756?
To fix CVE-2019-6756, users should update Foxit PhantomPDF and Foxit Reader to the latest versions available.
What type of attack does CVE-2019-6756 involve?
CVE-2019-6756 involves a remote attack requiring user interaction, such as visiting a malicious page or opening a malicious file.
Which versions of Foxit software are affected by CVE-2019-6756?
CVE-2019-6756 affects Foxit PhantomPDF versions up to 9.4.1.16828 and Foxit Reader versions up to 9.4.1.16828.
Does CVE-2019-6756 affect Microsoft Windows?
CVE-2019-6756 does not directly affect Microsoft Windows, but it affects Foxit applications running on the platform.