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K
zdiSebastian Apelt (@bitshifter123)ZDI-18-1401
HistoryDec 12, 2018 - 12:00 a.m.

Adobe Reader DC Onix32 Out-Of-Bounds Read Information Disclosure Vulnerability

2018-12-1200:00:00
Sebastian Apelt (@bitshifter123)
www.zerodayinitiative.com
7

0.036 Low

EPSS

Percentile

91.8%

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Adobe 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 index files within Onix32.dll. 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.