Severity.io | CVE-2021-1763

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Related CPE's

o apple ipados ********

o apple iphone_os ********

o apple mac_os_x ********

o apple mac_os_x 10.14.6 -******

o apple mac_os_x 10.14.6 security_update_2019-001 ******

o apple mac_os_x 10.14.6 security_update_2019-002 ******

o apple mac_os_x 10.14.6 security_update_2020-001 ******

o apple mac_os_x 10.14.6 security_update_2020-002 ******

o apple mac_os_x 10.14.6 security_update_2020-003 ******

o apple mac_os_x 10.14.6 security_update_2020-004 ******

References

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

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