CVE-2020-35931
First published: Thu Dec 31 2020(Updated: )
An issue was discovered in Foxit Reader before 10.1.1 (and before 4.1.1 on macOS) and PhantomPDF before 9.7.5 and 10.x before 10.1.1 (and before 4.1.1 on macOS). An attacker can spoof a certified PDF document via an Evil Annotation Attack because the products fail to consider a null value for a Subtype entry of the Annotation dictionary, in an incremental update.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxitsoftware Foxit Reader | <10.1.1 | |
| Foxitsoftware Phantompdf | <9.7.5 | |
| Foxitsoftware Phantompdf | >=10.0.0<10.1.1 | |
| Microsoft Windows | ||
| Foxitsoftware Foxit Reader | <4.1.1 | |
| Foxitsoftware Phantompdf | <4.1.1 | |
| Apple macOS |
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Frequently Asked Questions
What is CVE-2020-35931?
CVE-2020-35931 is a vulnerability discovered in Foxit Reader and PhantomPDF that allows an attacker to spoof a certified PDF document through an Evil Annotation Attack.
Which software versions are affected by CVE-2020-35931?
Foxit Reader versions before 10.1.1 and 4.1.1 on macOS, and PhantomPDF versions before 9.7.5 and 10.x before 10.1.1 on macOS are affected by CVE-2020-35931.
How can an attacker exploit CVE-2020-35931?
An attacker can exploit CVE-2020-35931 by creating a malicious certified PDF document with an Evil Annotation Attack.
What is the severity of CVE-2020-35931?
CVE-2020-35931 has a severity rating of 7.8 (High).
Is my operating system affected by CVE-2020-35931?
Microsoft Windows and Apple macOS are not vulnerable to CVE-2020-35931.
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