Advisory Details

December 4th, 2020

Apple macOS AudioCodecs AAC Decoding Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-20-1396
ZDI-CAN-11507

CVE ID CVE-2020-10017
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 AudioCodecs module. Crafted AAC data in an MP4 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-us/HT211931
DISCLOSURE TIMELINE
  • 2020-08-05 - Vulnerability reported to vendor
  • 2020-12-04 - Coordinated public release of advisory
CREDIT Francis
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