Use-after-free in Mozilla products - CVE-2023-6205

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Main Vulnerability Database Vulnerabilities #VU83368

Use-after-free in Mozilla products - CVE-2023-6205

Published: November 21, 2023 / Updated: November 21, 2023


Vulnerability identifier: #VU83368
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-2023-6205
CWE-ID: CWE-416
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 use-after-free error in the MessagePort::Entangled() method. A remote attacker can trick the victim to open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Mozilla Firefox
Firefox ESR
Firefox for Android
Gentoo Linux
Debian Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Linux Enterprise Micro
Anolis OS
SUSE Enterprise Storage
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Slackware Linux
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Package Hub 15
SUSE Linux Enterprise Server 15 SP4 LTSS
Desktop Applications Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Oracle Solaris
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
thunderbird (Ubuntu package)
mozilla-thunderbird
mozilla-firefox
firefox-esr (Debian package)
firefox (Red Hat package)
thunderbird (Red Hat package)
thunderbird
thunderbird (Debian package)
firefox
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaThunderbird-translations-other
MozillaThunderbird-translations-common
MozillaThunderbird
MozillaFirefox
MozillaFirefox-translations-common
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
mail-client/thunderbird-bin
mail-client/thunderbird
firefox (Ubuntu package)
firefox-flatpak
firefox-debuginfo
firefox-debugsource
Mozilla Thunderbird

How to mitigate CVE-2023-6205

Install updates from vendor's website.

Mozilla Firefox - update to 120.0
Firefox for Android - update to 120.0
Firefox ESR - update to 115.5.0
Mozilla Thunderbird - update to 115.5.0
Oracle Solaris - update to 11.4 SRU 65
thunderbird (Ubuntu package) - addressed in versions 1:115.5.0+build1-0ubuntu0.20.04.1, 1:115.5.0+build1-0ubuntu0.22.04.1, 1:115.5.0+build1-0ubuntu0.23.04.1, 1:115.5.0+build1-0ubuntu0.23.10.1
mozilla-thunderbird - update to 115.5.0
mozilla-firefox - update to 115.5.0esr
firefox-esr (Debian package) - addressed in versions 115.5.0esr-1~deb11u1, 115.5.0esr-1~deb12u1
firefox (Red Hat package) - addressed in versions 115.5.0-1.el8_1, 115.5.0-1.el8_2, 115.5.0-1.el8_4, 115.5.0-1.el8_8, 115.5.0-1.el9_2, 115.5.0-1.el9_3
thunderbird (Red Hat package) - addressed in versions 115.5.0-1.el8_1, 115.5.0-1.el8_2, 115.5.0-1.el8_4, 115.5.0-1.el8_9, 115.5.0-1.el9_0, 115.5.0-1.el9_2
thunderbird - addressed in versions 115.5.0-1.fc38, 115.5.0-1.fc39
thunderbird (Debian package) - addressed in versions 1:115.5.0-1~deb11u1, 1:115.5.0-1~deb12u1
firefox - update to 115.5.0-1.0.1
thunderbird - update to 115.5.0-1.0.1
MozillaThunderbird-debuginfo - update to 115.5.0-150200.8.139.1
MozillaThunderbird-debugsource - update to 115.5.0-150200.8.139.1
MozillaThunderbird-translations-other - update to 115.5.0-150200.8.139.1
MozillaThunderbird-translations-common - update to 115.5.0-150200.8.139.1
MozillaThunderbird - update to 115.5.0-150200.8.139.1
MozillaFirefox - addressed in versions 115.6.0-112.194.1, 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-translations-common - addressed in versions 115.6.0-112.194.1, 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-devel - addressed in versions 115.6.0-112.194.1, 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-debugsource - addressed in versions 115.6.0-112.194.1, 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-debuginfo - addressed in versions 115.6.0-112.194.1, 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-translations-other - addressed in versions 115.6.0-150000.150.119.1, 115.6.0-150200.152.120.1
MozillaFirefox-branding-upstream - update to 115.6.0-150200.152.120.1
mail-client/thunderbird-bin - update to 115.7.0
mail-client/thunderbird - update to 115.7.0
firefox (Ubuntu package) - addressed in versions 120.0+build2-0ubuntu0.20.04.1, 120.0.1+build1-0ubuntu0.20.04.1
firefox-flatpak - addressed in versions 120.0-1, 120.0-2
firefox - addressed in versions 120.0-2.fc37, 120.0-2.fc38, 120.0-2.fc39, 120.0-3.fc37
firefox - update to 128.8.0-1
firefox-debuginfo - update to 128.8.0-1
firefox-debugsource - update to 128.8.0-1

External References

Related Security Bulletins