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Vulnerability DatabaseCVE-2021-33793
CVE-2021-33793:
Foxit PDF Reader vulnerability analysis and mitigation
Overview
CVE-2021-33793 is a vulnerability affecting Foxit Reader before version 10.1.4 and PhantomPDF before version 10.1.4. The vulnerability was disclosed on August 11, 2021, and involves an out-of-bounds write issue that occurs when the Cross-Reference table is mishandled during Office document conversion (Rapid7).
Technical details
The vulnerability is classified with a CVSS score of 8.0, indicating high severity, with the vector string AV:N/AC:L/Au:N/C:P/I:P/A:P. The technical issue stems from improper handling of the Cross-Reference table specifically during the process of converting Office documents (Rapid7).
Impact
The out-of-bounds write vulnerability could potentially allow attackers to execute arbitrary code or cause system crashes when processing specially crafted PDF documents. This could lead to partial compromise of system confidentiality, integrity, and availability (Rapid7).
Mitigation and workarounds
The recommended mitigation is to upgrade to Foxit Reader version 10.1.4 or later, or Foxit PhantomPDF version 10.1.4 or later. This update addresses the vulnerability by correcting the handling of the Cross-Reference table during Office document conversion (Foxit Security).
Additional resources
Source: This report was generated using AI
Related Foxit PDF Reader vulnerabilities:
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