Input validation error in Mozilla products - CVE-2023-6209

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Main Vulnerability Database Vulnerabilities #VU83372

Input validation error in Mozilla products - CVE-2023-6209

Published: November 21, 2023


Vulnerability identifier: #VU83372
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-6209
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to manipulate data on websites.

The vulnerability exists due to insufficient validation of user-supplied input when parsing relative URLs that start with a triple slash, e.g. "///". A remote attacker can use a path-traversal "/../" part in the path to override the specified host.


Affected software

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

How to mitigate CVE-2023-6209

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
mozilla-crashreporter-firefox-debuginfo - update to 79.0-34
firefox-debugsource - addressed in versions 79.0-34, 128.8.0-1
firefox-debuginfo - addressed in versions 79.0-34, 128.8.0-1
firefox - addressed in versions 79.0-34, 128.8.0-1
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
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
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 - 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
thunderbird - update to 115.5.0-1.0.1
firefox - update to 115.5.0-1.0.1
MozillaThunderbird-debuginfo - update to 115.5.0-150200.8.139.1
MozillaThunderbird-translations-other - update to 115.5.0-150200.8.139.1
MozillaThunderbird - update to 115.5.0-150200.8.139.1
MozillaThunderbird-translations-common - update to 115.5.0-150200.8.139.1
MozillaThunderbird-debugsource - update to 115.5.0-150200.8.139.1
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 - 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 - update to 115.7.0
mail-client/thunderbird-bin - 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

External References

Related Security Bulletins