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K
zdiMark Vincent Yason (@MarkYason)ZDI-21-166
HistoryFeb 10, 2021 - 12:00 a.m.

Adobe Acrobat Reader DC URI Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

2021-02-1000:00:00
Mark Vincent Yason (@MarkYason)
www.zerodayinitiative.com
16

0.002 Low

EPSS

Percentile

54.9%

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Reader DC. 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 URIs by IA32.api. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.