A vulnerability has been found in Foxit PDF Editor 11.0.0.49893 and classified as critical. Affected by this vulnerability is an unknown code block of the component Caret Annotation Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Foxit PDF Editor Caret Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. 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-14364.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2021-34962 since 06/17/2021. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

See VDB-263439, VDB-263440, VDB-263441 and VDB-263442 for similar entries.

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Vendor

• Foxit

Name

• PDF Editor

Version

• 11.0.0.49893

License

• free

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• 🔒

CPE 2.2info

• 🔒

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