Advisory Details

August 8th, 2024

Apple macOS AMDRadeonX6000MTLDriver KTX Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-24-1115
ZDI-CAN-24069

CVE ID CVE-2024-27857
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/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 Metal framework is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the AMDRadeonX6000MTLDriver. Crafted data in a KTX file 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-ca/HT214108
DISCLOSURE TIMELINE
  • 2024-05-01 - Vulnerability reported to vendor
  • 2024-08-08 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated
CREDIT Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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