Spoofing attack in Firefox for Android and Mozilla Firefox - CVE-2023-5729

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Main Vulnerability Database Vulnerabilities #VU82347

Spoofing attack in Firefox for Android and Mozilla Firefox - CVE-2023-5729

Published: October 24, 2023


Vulnerability identifier: #VU82347
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-2023-5729
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. A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack.


Affected software

Firefox for Android
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 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 Enterprise Storage
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Desktop Applications Module
openSUSE Leap
Ubuntu
openEuler
www-client/firefox
MozillaFirefox-translations-common
MozillaFirefox
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
firefox (Ubuntu package)
firefox
firefox-debuginfo
firefox-debugsource

How to mitigate CVE-2023-5729

Install updates from vendor's website.

Firefox for Android - update to 119.0
Mozilla Firefox - update to 119.0
www-client/firefox - update to 104
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
MozillaFirefox - addressed in versions 115.4.0-112.188.1, 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1
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
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
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
MozillaFirefox-translations-other - addressed in versions 115.4.0-150000.150.113.1, 115.4.0-150200.152.114.1
MozillaFirefox-branding-upstream - update to 115.4.0-150200.152.114.1
firefox (Ubuntu package) - addressed in versions 119.0+build2-0ubuntu0.20.04.1, 119.0.1+build1-0ubuntu0.20.04.1
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