Insufficient UI Warning of Dangerous Operations in Mozilla Firefox and Firefox ESR - CVE-2024-11698

Vulnerability identifier: #VU100958

CSH Severity: Medium

CVSS v4.0: 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/E:U/U:Green

CVE-ID: CVE-2024-11698

CWE-ID: CWE-357

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
Mozilla Firefox
Firefox ESR
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise High Performance Computing 15 SP2
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Desktop 15 SP4
SUSE Linux Enterprise Server 15 SP2
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 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 Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
Slackware Linux
Desktop Applications Module
SUSE Package Hub 15
openSUSE Leap
openEuler
Fedora
Oracle Solaris
Mozilla Thunderbird
mozilla-firefox
mozilla-thunderbird
thunderbird
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox-translations-common
MozillaFirefox-devel
MozillaFirefox
MozillaThunderbird-debuginfo
MozillaThunderbird-translations-other
MozillaThunderbird-debugsource
MozillaThunderbird
MozillaThunderbird-translations-common
MozillaFirefox-branding-upstream
MozillaFirefox-translations-other
thunderbird-wayland
thunderbird-librnp-rnp
thunderbird-debugsource
thunderbird-debuginfo

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error in handling fullscreen transitions. A remote attacker can force the browser to be stuck in the fullscreen mode even after pressing the "Esc" button and perform a spoofing attack.

Note, the vulnerability affects installations on macOS only.

Install updates from vendor's website.

• https://bugzilla.mozilla.org/show_bug.cgi?id=1916152
• https://www.mozilla.org/security/advisories/mfsa2024-63/
• https://www.mozilla.org/security/advisories/mfsa2024-64/