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zdiYu Zhou(@yuzhou6666) of \xe5\xb0\x8f\xe9\xb8\xa1\xe5\xb8\xaeZDI-20-674
HistoryMay 27, 2020 - 12:00 a.m.

Apple macOS AudioToolboxCore CAF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

2020-05-2700:00:00
Yu Zhou(@yuzhou6666) of \xe5\xb0\x8f\xe9\xb8\xa1\xe5\xb8\xae
www.zerodayinitiative.com
26

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

54.7%

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. Interaction with the AudioToolbox library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the AudioToolbox framework. Crafted data in a CAF file can trigger a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

54.7%