Advisory Details

July 9th, 2020

Apple macOS AudioToolboxCore CAF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-20-823
ZDI-CAN-10579

CVE ID CVE-2020-9815
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. 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 AudioToolboxCore module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities 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-gb/HT211170
DISCLOSURE TIMELINE
  • 2020-03-18 - Vulnerability reported to vendor
  • 2020-07-09 - Coordinated public release of advisory
CREDIT Yu Zhou(@yuzhou6666)
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