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zdiXu Peng from UCAS and Wang Yanhao from QiAnXin Technology Research InstituteZDI-21-545
HistoryMay 07, 2021 - 12:00 a.m.

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

2021-05-0700:00:00
Xu Peng from UCAS and Wang Yanhao from QiAnXin Technology Research Institute
www.zerodayinitiative.com
17

0.004 Low

EPSS

Percentile

73.2%

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit 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.

0.004 Low

EPSS

Percentile

73.2%