Advisory Details

August 5th, 2020

Apple macOS ImageIO PIC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2020-9919
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	macOS
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. Interaction with the ImageIO library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the ImageIO framework. Crafted data in a PIC file can trigger a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Apple has issued an update to correct this vulnerability. More details can be found at: https://support.apple.com/en-gb/HT211293
DISCLOSURE TIMELINE	2020-05-14 - Vulnerability reported to vendor 2020-08-05 - Coordinated public release of advisory 2020-09-17 - Advisory Updated
CREDIT	Mickey Jin of Trend Micro Mobile Security Research Team

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