CVE-2021-30766

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Related CPE's

oapplemac_os_x********

vulnerable

oapplemac_os_x10.14.6-******

vulnerable

oapplemac_os_x10.14.6security_update_2019-001******

vulnerable

oapplemac_os_x10.14.6security_update_2019-002******

vulnerable

oapplemac_os_x10.14.6security_update_2019-004******

vulnerable

oapplemac_os_x10.14.6security_update_2019-005******

vulnerable

oapplemac_os_x10.14.6security_update_2019-006******

vulnerable

oapplemac_os_x10.14.6security_update_2019-007******

vulnerable

oapplemac_os_x10.14.6security_update_2020-001******

vulnerable

oapplemac_os_x10.14.6security_update_2020-002******

vulnerable

References

https://support.apple.com/en-us/HT212602

Vendor Advisory

https://support.apple.com/en-us/HT212603

Vendor Advisory

https://support.apple.com/en-us/HT212600

Vendor Advisory

CvssV3 impact

BaseSeverity

HIGH

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

LOCAL

AvailabilityImpact

HIGH

IntegrityImpact

HIGH

PrivilegesRequired

NONE

BaseScore

7.8

VectorString

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

Version

3.1

UserInteraction

REQUIRED

CvssV2 impact

AccessComplexity

MEDIUM

ConfidentialityImpact

COMPLETE

AvailabilityImpact

COMPLETE

IntegrityImpact

COMPLETE

BaseScore

9.3

VectorString

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

Version

2.0

AccessVector

NETWORK

Authentication

NONE

Created by Yello
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