Out-of-bounds write in Google Chrome - CVE-2021-30547

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Main Vulnerability Database Vulnerabilities #VU54002

Out-of-bounds write in Google Chrome - CVE-2021-30547

Published: June 9, 2021 / Updated: July 13, 2021


Vulnerability identifier: #VU54002
CSH Severity: High
CVSS v4 BT: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2021-30547
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.


Affected software

Google Chrome
Microsoft Edge
Mozilla Firefox
Arch Linux
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
CentOS
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
SUSE OpenStack Cloud Crowbar
Anolis OS
SUSE OpenStack Cloud
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Fedora
HPE Helion Openstack
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Debuginfo
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Workstation Extension
Ubuntu
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
firefox-esr (Debian package)
thunderbird (Debian package)
firefox (Red Hat package)
thunderbird (Red Hat package)
qt5-qtwebengine
firefox
thunderbird
MozillaFirefox-translations-other
MozillaFirefox-translations-common
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
thunderbird (Ubuntu package)
firefox (Ubuntu package)
chromium
mail-client/thunderbird-bin
mail-client/thunderbird
Mozilla Thunderbird

How to mitigate CVE-2021-30547

Update to version 91.0.4472.101.

Google Chrome - update to 91.0.4472.101
Mozilla Thunderbird - update to 78.12.0
firefox-esr (Debian package) - update to 78.12.0esr-1~deb10u1
thunderbird (Debian package) - update to 1:78.12.0-1~deb10u1
firefox (Red Hat package) - addressed in versions 78.12.0-1.el7_9, 78.12.0-1.el8_1, 78.12.0-1.el8_2, 78.12.0-1.el8_4
thunderbird (Red Hat package) - addressed in versions 78.12.0-2.el7_9, 78.12.0-2.el8_1, 78.12.0-2.el8_2, 78.12.0-3.el8_4
Microsoft Edge - update to 91.0.864.48
Mozilla Firefox - update to 90.0
qt5-qtwebengine - update to 5.15.8-2.fc34
firefox - update to 78.12.0-1.0.1
thunderbird - addressed in versions 78.12.0-2.0.1, 91.6.0-1.0.1
MozillaFirefox-translations-other - addressed in versions 78.12.0-3.147.1, 78.12.0-78.134.1
MozillaFirefox-translations-common - addressed in versions 78.12.0-3.147.1, 78.12.0-78.134.1, 78.12.0-112.65.1
MozillaFirefox-devel - addressed in versions 78.12.0-3.147.1, 78.12.0-112.65.1
MozillaFirefox-debugsource - addressed in versions 78.12.0-3.147.1, 78.12.0-112.65.1
MozillaFirefox-debuginfo - addressed in versions 78.12.0-3.147.1, 78.12.0-78.134.1, 78.12.0-112.65.1
MozillaFirefox - addressed in versions 78.12.0-3.147.1, 78.12.0-78.134.1, 78.12.0-112.65.1
MozillaThunderbird-translations-other - update to 78.12.0-8.33.1
MozillaThunderbird-translations-common - update to 78.12.0-8.33.1
MozillaThunderbird - update to 78.12.0-8.33.1
MozillaThunderbird-debuginfo - update to 78.12.0-8.33.1
MozillaThunderbird-debugsource - update to 78.12.0-8.33.1
thunderbird (Ubuntu package) - addressed in versions 1:78.13.0+build1-0ubuntu0.18.04.1, 1:78.13.0+build1-0ubuntu0.20.04.2, 1:78.13.0+build1-0ubuntu0.21.04.2
firefox (Ubuntu package) - addressed in versions 90.0+build1-0ubuntu0.18.04.1, 90.0+build1-0ubuntu0.20.04.1, 90.0+build1-0ubuntu0.20.10.1, 90.0+build1-0ubuntu0.21.04.1
chromium - addressed in versions 91.0.4472.114-1.el8, 91.0.4472.114-1.fc33, 91.0.4472.114-1.fc34, 91.0.4472.114-2.el8, 91.0.4472.114-2.fc33, 91.0.4472.164-1.el8
mail-client/thunderbird-bin - update to 91.12.0
mail-client/thunderbird - update to 91.12.0

External References

Related Security Bulletins