CVE-2021-34971

EUVD-2021-21618
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
foxitpdf_editor
𝑥
≤ 10.1.5.37672
foxitpdf_editor
11.0.0.49893
foxitpdf_editor
11.0.1.49938
foxitpdf_reader
𝑥
≤ 11.0.1.49938
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
foxitpdf_editor
𝑥
≤ 11.0.1.4938
ADP
foxitpdf_editor
𝑥
≤ 11.0.0.49983
ADP
foxitpdf_editor
𝑥
≤ 10.1.5.37672
ADP
foxitpdf_reader
𝑥
≤ 11.0.1.49983
ADP
foxitphantompdf
𝑥
≤ 10.1.5.37672
ADP