Advisory Details

February 26th, 2024

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

ZDI-24-206
ZDI-CAN-21769

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
  • 2024-07-01 - Advisory Updated
CREDIT Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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