Advisory Details

May 26th, 2022

Apple macOS HEIC File Parsing Memory Corruption Remote Code Execution Vulnerability

ZDI-22-794
ZDI-CAN-16806

CVE ID CVE-2022-26751
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. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of HEIC files in the VTDecoderXPCService process. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current user.

ADDITIONAL DETAILS Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-us/HT213257
DISCLOSURE TIMELINE
  • 2022-03-09 - Vulnerability reported to vendor
  • 2022-05-26 - Coordinated public release of advisory
CREDIT Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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