CVE-2021-1759

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Related CPE's

oappleipados********
vulnerable
oappleiphone_os********
vulnerable
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_2020-001******
vulnerable
oapplemac_os_x10.14.6security_update_2020-002******
vulnerable
oapplemac_os_x10.14.6security_update_2020-003******
vulnerable
oapplemac_os_x10.14.6security_update_2020-004******
vulnerable

References

https://support.apple.com/en-us/HT212146

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212149

Release NotesVendor Advisory

https://support.apple.com/en-us/HT212147

Release NotesVendor 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