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Vulnerability Change Records for CVE-2021-34971

Change History

New CVE Received by NIST 5/07/2024 7:15:12 PM

Action Type Old Value New Value
Added CVSS V3

								
							
							
						
Zero Day Initiative AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added CWE

								
							
							
						
Zero Day Initiative CWE-122
Added Description

								
							
							
						
Foxit PDF Reader JPG2000 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 parsing of PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14812.
Added Reference

								
							
							
						
Zero Day Initiative https://www.foxit.com/support/security-bulletins.html [No types assigned]
Added Reference

								
							
							
						
Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-21-1202/ [No types assigned]