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[email protected]CVE-2021-1767

HistoryApr 02, 2021 - 6:15 p.m.

CVE-2021-1767

2021-04-0218:15:00

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-1767

security update

macos big sur

ios 14.4

ipados 14.4

nvd

heap corruption

image processing

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

6.5 Medium

AI Score

Confidence

High

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

0.001 Low

EPSS

Percentile

33.8%

JSON

This issue was addressed with improved checks. 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 image may lead to heap corruption.

VendorProductVersionCPE
appleiphone_os*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
appleipad_os*cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
applemacos*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	iphone_os	*	cpe:2.3:o:apple:iphone_os::::::::
apple	ipad_os	*	cpe:2.3:o:apple:ipad_os::::::::
apple	macos	*	cpe:2.3:o:apple:macos::::::::