Spoofing attack in Firefox ESR and Mozilla Firefox - CVE-2023-5726

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Main Vulnerability Database Vulnerabilities #VU82341

Spoofing attack in Firefox ESR and Mozilla Firefox - CVE-2023-5726

Published: October 24, 2023


Vulnerability identifier: #VU82341
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-5726
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data when handling fullscreen notifications by file opening dialog. A remote attacker can perform spoofing attack.

Note, the vulnerability affects macOS installation only.


Affected software

Firefox ESR
Mozilla Firefox
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 ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
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 Package Hub 15
openSUSE Leap
Anolis OS
IBM Cloud Pak for Multicloud Management
Mozilla Thunderbird
mozilla-firefox
firefox-x11
firefox-wayland
firefox-langpacks
firefox
MozillaFirefox-debuginfo
MozillaFirefox-debugsource
MozillaFirefox-devel
MozillaFirefox
MozillaFirefox-translations-common
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
mozilla-thunderbird
MozillaThunderbird-debugsource
MozillaThunderbird
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird-debuginfo
mail-client/thunderbird
mail-client/thunderbird-bin

How to mitigate CVE-2023-5726

Install updates from vendor's website.

Firefox ESR - update to 115.4.0
Mozilla Firefox - update to 119.0
IBM Cloud Pak for Multicloud Management - update to 2.3.8
Mozilla Thunderbird - update to 115.4.0
mozilla-firefox - update to 115.4.0esr
firefox-x11 - update to 115.4.0-1
firefox-wayland - update to 115.4.0-1
firefox-langpacks - update to 115.4.0-1
firefox - update to 115.4.0-1
MozillaFirefox-debuginfo - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-112.191.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox-debugsource - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-112.191.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox-devel - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-112.191.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-112.191.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox-translations-common - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-112.191.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox-translations-other - addressed in versions 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1, 115.5.0-150000.150.116.1, 115.5.0-150200.152.117.1
MozillaFirefox-branding-upstream - addressed in versions 115.4.0-150200.152.114.1, 115.5.0-150200.152.117.1
mozilla-thunderbird - update to 115.4.1
MozillaThunderbird-debugsource - update to 115.4.1-150200.8.136.1
MozillaThunderbird - update to 115.4.1-150200.8.136.1
MozillaThunderbird-translations-common - update to 115.4.1-150200.8.136.1
MozillaThunderbird-translations-other - update to 115.4.1-150200.8.136.1
MozillaThunderbird-debuginfo - update to 115.4.1-150200.8.136.1
mail-client/thunderbird - update to 115.7.0
mail-client/thunderbird-bin - update to 115.7.0

External References

Related Security Bulletins