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K
zdiBruno Keith (@bkth_)ZDI-18-1342
HistoryNov 05, 2018 - 12:00 a.m.

Apple macOS nsurlstoraged Out-Of-Bounds Read Information Disclosure Vulnerability

2018-11-0500:00:00
Bruno Keith (@bkth_)
www.zerodayinitiative.com
7

0.003 Low

EPSS

Percentile

68.1%

This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of cookie data. 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 buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current user.

0.003 Low

EPSS

Percentile

68.1%