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Vulnerability DatabaseCVE-2021-34834
CVE-2021-34834:
Foxit PDF Reader vulnerability analysis and mitigation
Overview
A use-after-free remote code execution vulnerability (CVE-2021-34834) was discovered in Foxit PDF Reader. The vulnerability was reported on June 9, 2021, and publicly disclosed on July 30, 2021. This security flaw affects the handling of Annotation objects in Foxit PDF Reader (ZDI Advisory).
Technical details
The vulnerability exists within the handling of Annotation objects in Foxit PDF Reader. The specific issue 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 Advisory).
Impact
An attacker can leverage this vulnerability to execute arbitrary code in the context of the current process. The successful exploitation requires user interaction, where the target must visit a malicious page or open a malicious file (ZDI Advisory).
Mitigation and workarounds
Foxit has issued an update to correct this vulnerability. Users are advised to update their software to the latest version through the vendor's security bulletin page (ZDI Advisory).
Additional resources
Source: This report was generated using AI
Related Foxit PDF Reader vulnerabilities:
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