CVE-2020-27918

Published on: 12/08/2020 12:00:00 AM UTC

Last Modified on: 05/01/2021 02:15:00 AM UTC

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

Certain versions of Icloud from Apple contain the following vulnerability:

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

  • CVE-2020-27918 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL 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 7.1 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211928
[SECURITY] Fedora 34 Update: webkit2gtk3-2.32.0-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-8070916f7a
About the security content of iOS 14.2 and iPadOS 14.2 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211929
Debian -- Security Information -- DSA-4877-1 webkit2gtk www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4877
Full Disclosure: APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 seclists.org
text/html
URL Logo FULLDISC 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1
WebkitGTK+: Multiple vulnerabilities (GLSA 202104-03) — Gentoo security security.gentoo.org
text/html
URL Logo GENTOO GLSA-202104-03
About the security content of macOS Big Sur 11.0.1 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211931
[SECURITY] Fedora 33 Update: webkit2gtk3-2.32.0-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-864dc37032
About the security content of tvOS 14.2 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211930
About the security content of iCloud for Windows 11.5 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211935
[SECURITY] Fedora 32 Update: webkit2gtk3-2.30.6-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-619711d709
oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2021-0002 www.openwall.com
text/html
URL Logo MLIST [oss-security] 20210322 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0002
About the security content of iTunes 12.11 for Windows - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211933
About the security content of Safari 14.0.1 - Apple Support Vendor Advisory
support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT211934

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)
  • 178515 Debian Security Update for webkit2gtk (DSA 4877-1)
  • 198312 Ubuntu Security Notification for Webkit2gtk Vulnerabilities (USN-4894-1)
  • 239811 Red Hat Update for gnome security (RHSA-2021:4381)
  • 281404 Fedora Security Update for webkit2gtk3 (FEDORA-2021-619711d709)
  • 281405 Fedora Security Update for webkit2gtk3 (FEDORA-2021-864dc37032)
  • 281406 Fedora Security Update for webkit2gtk3 (FEDORA-2021-8070916f7a)
  • 710013 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202104-03)
  • 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
ApplicationAppleIcloudAllAllAllAll
ApplicationAppleIcloudAllAllAllAll
Operating
System
AppleIpad OsAllAllAllAll
Operating
System
AppleIpad OsAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
ApplicationAppleItunesAllAllAllAll
ApplicationAppleItunesAllAllAllAll
Operating
System
AppleMacosAllAllAllAll
Operating
System
AppleMac Os XAllAllAllAll
Operating
System
AppleMac Os XAllAllAllAll
ApplicationAppleSafariAllAllAllAll
ApplicationAppleSafariAllAllAllAll
Operating
System
AppleTvosAllAllAllAll
Operating
System
AppleTvosAllAllAllAll
Operating
System
AppleWatchosAllAllAllAll
Operating
System
AppleWatchosAllAllAllAll
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
FedoraprojectFedora32AllAllAll
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*:
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*:
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*:
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:

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