Advisory Details

February 26th, 2024

Apple macOS ImageIO MPO Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2023-42888
CVSS SCORE	3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	macOS
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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 an MPO image can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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/HT214036
DISCLOSURE TIMELINE	2023-07-27 - Vulnerability reported to vendor 2024-02-26 - Coordinated public release of advisory
CREDIT	Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative

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