CVE-2020-27860: Foxit Reader XFA Template Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Thu Feb 11 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.0.1.35811. 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 XFA templates. 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-11727.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware Foxit Reader | <=10.1.0.37527 | |
| Foxitsoftware Phantompdf | <=9.7.4.29600 | |
| Foxitsoftware Phantompdf | >=10.0.0.0<=10.1.0.37527 | |
| Microsoft Windows | ||
| Foxit Reader |
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Reference Links
Frequently Asked Questions
What is CVE-2020-27860?
CVE-2020-27860 is a vulnerability in Foxit Reader that allows remote attackers to execute arbitrary code.
How can the CVE-2020-27860 vulnerability be exploited?
The CVE-2020-27860 vulnerability can be exploited when the target visits a malicious page or opens a malicious file.
Which versions of Foxit Reader are affected by CVE-2020-27860?
Foxit Reader versions up to and including 10.1.0.37527 are affected by CVE-2020-27860.
Is Microsoft Windows affected by CVE-2020-27860?
No, Microsoft Windows is not vulnerable to CVE-2020-27860.
What is the severity of CVE-2020-27860?
CVE-2020-27860 has a severity rating of 7.8 (High).
How can I fix the CVE-2020-27860 vulnerability?
To fix the CVE-2020-27860 vulnerability, users should update their Foxit Reader to a version above 10.1.0.37527.
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