Advisory Details

August 27th, 2020

Apple macOS Intel Graphics Driver Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2020-9908
CVSS SCORE	6.5, AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
AFFECTED VENDORS	Apple
AFFECTED PRODUCTS	macOS
VULNERABILITY DETAILS	This vulnerability allows local attackers to disclose sensitive information on affected installations of Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AppleIntelKBLGraphics kext. 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 escalate privileges and execute code in the context of the kernel.
ADDITIONAL DETAILS	Apple has issued an update to correct this vulnerability. More details can be found at: https://support.apple.com/HT211289
DISCLOSURE TIMELINE	2020-04-28 - Vulnerability reported to vendor 2020-08-27 - Coordinated public release of advisory
CREDIT	Junzhi Lu(@pwn0rz)

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