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zdiXu Peng from UCAS and Wang Yanhao from QiAnXin Technology Research InstituteZDI-21-934
HistoryJul 30, 2021 - 12:00 a.m.

Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability

2021-07-3000:00:00
Xu Peng from UCAS and Wang Yanhao from QiAnXin Technology Research Institute
www.zerodayinitiative.com
25
remote code execution
foxit pdf reader
annotation objects
user interaction
malicious file
validation issue
current process

EPSS

0.015

Percentile

87.2%

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 handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

EPSS

0.015

Percentile

87.2%