CVE-2021-1844

Published on: 04/02/2021 12:00:00 AM UTC

Last Modified on: 01/09/2023 04:41:00 PM UTC

CVE-2021-1844

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

Certain versions of Ipados from Apple contain the following vulnerability:

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.

CVE-2021-1844 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.
Affected Vendor/Software: Apple - macOS version < 11.2
Affected Vendor/Software: Apple - macOS version < 14.4
Affected Vendor/Software: Apple - macOS version < 7.3
Affected Vendor/Software: Apple - macOS version < 14.0

CVSS3 Score: 8.8 - HIGH

Attack Vector ^ⓘ	Attack Complexity	Privileges Required	User Interaction
NETWORK	LOW	NONE	REQUIRED
Scope	Confidentiality Impact	Integrity Impact	Availability Impact
UNCHANGED	HIGH	HIGH	HIGH

CVSS2 Score: 6.8 - MEDIUM

Access Vector^ⓘ	Access Complexity	Authentication
NETWORK	MEDIUM	NONE
Confidentiality Impact	Integrity Impact	Availability Impact
PARTIAL	PARTIAL	PARTIAL

CVE References

Description	Tags ^ⓘ	Link
About the security content of watchOS 7.3.2 - Apple Support	support.apple.com text/html	MISC support.apple.com/en-us/HT212222
About the security content of Safari 14.0.3 - Apple Support	support.apple.com text/html	MISC support.apple.com/en-us/HT212223
About the security content of iOS 14.4.1 and iPadOS 14.4.1 - Apple Support	support.apple.com text/html	MISC support.apple.com/en-us/HT212221
About the security content of macOS Big Sur 11.2.3 - Apple Support	support.apple.com text/html	MISC support.apple.com/en-us/HT212220
[SECURITY] Fedora 33 Update: webkit2gtk3-2.32.0-1.fc33 - package-announce - Fedora Mailing-Lists	lists.fedoraproject.org text/html	FEDORA FEDORA-2021-864dc37032
Debian -- Security Information -- DSA-4923-1 webkit2gtk	www.debian.org Depreciated Link text/html	DEBIAN DSA-4923
About the security content of tvOS 14.5 - Apple Support	support.apple.com text/html	CONFIRM support.apple.com/kb/HT212323
Full Disclosure: APPLE-SA-2021-04-26-6 tvOS 14.5	seclists.org text/html	FULLDISC 20210427 APPLE-SA-2021-04-26-6 tvOS 14.5

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Related QID Numbers

159499 Oracle Enterprise Linux Security Update for GNOME (ELSA-2021-4381)
174960 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1430-1)
174986 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1499-1)
178622 Debian Security Update for webkit2gtk (DSA 4923-1)
178637 Debian Security Update for webkit2gtk (DSA 4923-1)
179774 Debian Security Update for webkit2gtkwpewebkit (CVE-2021-1844)
198357 Ubuntu Security Notification for WebKitGTK vulnerabilities (USN-4939-1)
239811 Red Hat Update for gnome security (RHSA-2021:4381)
281405 Fedora Security Update for webkit2gtk3 (FEDORA-2021-864dc37032)
281406 Fedora Security Update for webkit2gtk3 (FEDORA-2021-8070916f7a)
296068 Oracle Solaris 11.4 Support Repository Update (SRU) 34.94.4 Missing (CPUAPR2021)
375421 Apple Safari Arbitrary Code Execution Vulnerability(HT212223)
375427 Apple MacOS Big Sur 11.2.3 Security Update(HT212220)
501712 Alpine Linux Security Update for webkit2gtk
501940 Alpine Linux Security Update for webkit2gtk
610326 Apple iOS 14.4.1 and iPadOS 14.4.1 Security Update Missing
710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
750239 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:0637-1)
750655 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:1990-1)
751623 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0142-1)
751646 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0183-1)
751648 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2022:0182-1)
751659 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-1)
751755 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2022:0182-2)
940070 AlmaLinux Security Update for GNOME (ALSA-2021:4381)

Known Affected Configurations (CPE V2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Apple	Ipados	All	All	All	All
Operating System	Apple	Ipad Os	All	All	All	All
Operating System	Apple	Iphone Os	All	All	All	All
Operating System	Apple	Macos	All	All	All	All
Operating System	Apple	Mac Os X	All	All	All	All
Application	Apple	Safari	All	All	All	All
Operating System	Apple	Tvos	All	All	All	All
Operating System	Apple	Watchos	All	All	All	All
Operating System	Debian	Debian Linux	10.0	All	All	All
Operating System	Fedoraproject	Fedora	33	All	All	All

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:

No vendor comments have been submitted for this CVE

Social Mentions

Source	Title	Posted (UTC)
@CVEreport	CVE-2021-1844 : A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 14.4.1… twitter.com/i/web/status/1…	2021-04-02 18:52:47
/r/jailbreak	[Question] vulnerabilities: CVE-2021-1844 and CVE-2021-1782	2022-07-14 23:25:26