CVE-2020-8847: 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-9414.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Fixed in 9.7.0.29455Patch ZDI-CAN-9414 - Compensating control
Since the vulnerability requires user interaction (visit a malicious page or open a malicious file), mitigate by preventing users from opening untrusted files and restricting access to untrusted web pages.
Event History
Frequently Asked Questions
What is the severity of CVE-2020-8847?
CVE-2020-8847 is considered a high severity vulnerability due to its capability to allow remote attackers to execute arbitrary code.
How do I fix CVE-2020-8847?
To remediate CVE-2020-8847, it is recommended to update Foxit Reader to the latest version that is not vulnerable.
Which versions of Foxit Reader are affected by CVE-2020-8847?
CVE-2020-8847 affects Foxit Reader versions up to and including 9.7.0.29478.
Is user interaction required to exploit CVE-2020-8847?
Yes, user interaction is required for CVE-2020-8847 as the target must visit a malicious page or open a malicious file.
What types of attacks are possible with CVE-2020-8847?
CVE-2020-8847 allows remote attackers to execute arbitrary code, which can lead to complete system compromise.