Advisory Details

December 7th, 2023

Apple macOS Hydra Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2023-42826
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 Hydra library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the Hydra framework. Crafted data in an image can trigger a write past the end of an allocated buffer. 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-us/HT213940
DISCLOSURE TIMELINE	2023-06-27 - Vulnerability reported to vendor 2023-12-07 - Coordinated public release of advisory
CREDIT	Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative

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