CVE-2021-34848: Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
First published: Wed Aug 04 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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 handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14532.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader | ||
| Foxit PDF Reader | <=11.0.0.49893 | |
| Foxitsoftware Pdf Editor | <=10.1.4.37651 | |
| Foxitsoftware Pdf Editor | =11.0.0.49893 | |
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Foxit PDF Reader vulnerability?
The vulnerability ID for this Foxit PDF Reader vulnerability is CVE-2021-34848.
What is the title of this vulnerability?
The title of this vulnerability is Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability.
What is the severity of CVE-2021-34848?
The severity of CVE-2021-34848 is high with a CVSS score of 7.8.
How can this vulnerability be exploited?
This vulnerability can be exploited by remote attackers who can execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. User interaction is required, such as visiting a malicious page or opening a malicious file.
Is Microsoft Windows affected by this vulnerability?
No, Microsoft Windows is not affected by this vulnerability.
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-930
- alias/ZDI-CAN-14532
- alias/CVE-2021-34848
- agent/software-canonical-lookup
- vendor/foxit
- canonical/foxit pdf reader
- version/foxit pdf reader/11.0.0.49893
- vendor/foxitsoftware
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- version/foxitsoftware pdf editor/10.1.4.37651
- version/foxitsoftware pdf editor/11.0.0.49893
- vendor/microsoft
- canonical/microsoft windows