CVE-2020-8853: Foxit PhantomPDF HTML2PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.7.0.29478. 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 conversion of HTML files to PDF. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9591.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit PhantomPDFto a version that resolves this vulnerability.Fixed in 9.7.0.29478Patch ZDI-CAN-9591 - Compensating control
Restrict the ability to visit malicious pages or open malicious files (user interaction is required: the target must visit a malicious page or open a malicious file)
Event History
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-8853.
What is the title of the vulnerability?
The title of the vulnerability is 'Foxit PhantomPDF HTML2PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability'.
What is the severity of CVE-2020-8853?
The severity of CVE-2020-8853 is high with a CVSS score of 7.8.
How can this vulnerability be exploited?
This vulnerability can be exploited by remote attackers who trick the target into visiting a malicious page or opening a malicious file.
Is user interaction required to exploit CVE-2020-8853?
Yes, user interaction is required to exploit this vulnerability.