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: 8.6 [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]
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 Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
CentOS
Anolis OS
Fedora
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
HPE Helion Openstack
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_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 Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
firefox (Red Hat package)
thunderbird (Red Hat package)
firefox-esr (Debian package)
thunderbird (Debian package)
qt5-qtwebengine
firefox
thunderbird
MozillaFirefox-translations-other
MozillaFirefox
MozillaFirefox-debuginfo
MozillaFirefox-debugsource
MozillaFirefox-devel
MozillaFirefox-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaThunderbird-translations-common
chromium
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)
thunderbird (Ubuntu package)
Mozilla Thunderbird

How to mitigate CVE-2021-30547

Update to version 91.0.4472.101.

Google Chrome - update to 91.0.4472.101
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
Mozilla Thunderbird - update to 78.12.0
Microsoft Edge - update to 91.0.864.48
Mozilla Firefox - update to 90.0
firefox-esr (Debian package) - update to 78.12.0esr-1~deb10u1
thunderbird (Debian package) - update to 1:78.12.0-1~deb10u1
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 - addressed in versions 78.12.0-3.147.1, 78.12.0-78.134.1, 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-debugsource - addressed in versions 78.12.0-3.147.1, 78.12.0-112.65.1
MozillaFirefox-devel - addressed in versions 78.12.0-3.147.1, 78.12.0-112.65.1
MozillaFirefox-translations-common - 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 - 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
MozillaThunderbird-translations-common - update to 78.12.0-8.33.1
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 - update to 91.12.0
mail-client/thunderbird-bin - update to 91.12.0
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
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

External References

Related Security Bulletins