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Vulnerability DatabaseCVE-2021-34847
CVE-2021-34847:
Foxit PDF Reader vulnerability analysis and mitigation
Overview
A use-after-free vulnerability (CVE-2021-34847) was discovered in Foxit PDF Reader version 11.0.0.49893. This vulnerability affects the handling of Annotation objects in the software (ZDI).
Technical details
The vulnerability exists within the handling of Annotation objects. The specific flaw results from the lack of validating the existence of an object prior to performing operations on the object. The vulnerability has a CVSS score of 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) (ZDI).
Impact
An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. The successful exploitation requires user interaction in that the target must visit a malicious page or open a malicious file (ZDI).
Mitigation and workarounds
Foxit has issued an update to correct this vulnerability. Users should update their software to the latest version through the official Foxit support website (ZDI).
Additional resources
Source: This report was generated using AI
Related Foxit PDF Reader vulnerabilities:
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