CVE-2020-8850: Foxit Reader JPEG2000 File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.7.0.29455. 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 processing of JPEG2000 files. 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-9415.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Reader 9.7.0.29455to a version that resolves this vulnerability.Fixed in 9.7.0.29455Patch ZDI-CAN-9415 - Compensating control
Restrict user ability to open files or visit web pages from untrusted sources (user interaction is required: target must visit a malicious page or open a malicious file).
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-8850.
What is the severity of CVE-2020-8850?
The severity of CVE-2020-8850 is high with a severity value of 7.8.
Which software is affected by CVE-2020-8850?
Foxit Reader 9.7.0.29478 and Foxitsoftware Phantompdf 9.7.0.29455 are affected by CVE-2020-8850.
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.
How can I mitigate CVE-2020-8850?
Update Foxit Reader and Foxitsoftware Phantompdf to the latest versions available.