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Vulnerability DatabaseCVE-2021-34842
CVE-2021-34842:
Foxit PDF Reader vulnerability analysis and mitigation
Overview
A use-after-free remote code execution vulnerability (CVE-2021-34842) was discovered in Foxit PDF Reader version 11.0.0.49893. The vulnerability was reported on June 9, 2021 and publicly disclosed on July 30, 2021 (ZDI).
Technical details
The vulnerability exists within the handling of Annotation objects in Foxit PDF Reader. 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 on affected installations of Foxit PDF Reader. User interaction is required as 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 to the latest version of the software. More details about the fix can be found on Foxit's security bulletins page (ZDI).
Additional resources
Source: This report was generated using AI
Related Foxit PDF Reader vulnerabilities:
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