CVE-2021-1844

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1 and iPadOS 14.4.1, Safari 14.0.3 (v. 14610.4.3.1.7 and 15610.4.3.1.7), watchOS 7.3.2, macOS Big Sur 11.2.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://support.apple.com/en-us/HT212222	Vendor Advisory
https://support.apple.com/en-us/HT212223	Vendor Advisory
https://support.apple.com/en-us/HT212220	Vendor Advisory
https://support.apple.com/en-us/HT212221	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/	Mailing List Third Party Advisory
https://support.apple.com/kb/HT212323	Vendor Advisory
http://seclists.org/fulldisclosure/2021/Apr/55	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4923	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:watchos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:ipados::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Information

Published : 2021-04-02 12:15

Updated : 2023-01-09 08:41

NVD link : CVE-2021-1844

Mitre link : CVE-2021-1844

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

apple

tvos
macos
safari
watchos
iphone_os
ipados

fedoraproject

fedora

debian

debian_linux

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