7.8

CVE-2021-34971

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.

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Data is provided by the National Vulnerability Database (NVD)
Foxit ≫ Pdf Editor Version <= 10.1.5.37672
   Microsoft ≫ Windows Version-
Foxit ≫ Pdf Editor Version11.0.0.49893
   Microsoft ≫ Windows Version-
Foxit ≫ Pdf Editor Version11.0.1.49938
   Microsoft ≫ Windows Version-
Foxit ≫ Pdf Reader Version <= 11.0.1.49938
   Microsoft ≫ Windows Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 1.78% 0.82
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
zdi-disclosures@trendmicro.com 7.8 1.8 5.9
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().