Advisory Details

July 21st, 2020

Apple Safari getAnimations Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-20-909
ZDI-CAN-10832

CVE ID CVE-2020-9894
CVSS SCORE 4.3, AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Apple
AFFECTED PRODUCTS Safari
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information code on affected installations of Apple Safari. 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 getAnimations method. 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 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-gb/HT211292
DISCLOSURE TIMELINE
  • 2020-04-30 - Vulnerability reported to vendor
  • 2020-07-21 - Coordinated public release of advisory
CREDIT 0011
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