Improper Authorization in Handler for Custom URL Scheme in Mozilla products - CVE-2024-8383

Vulnerability identifier: #VU96737

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-8383

CWE-ID: CWE-939

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a missing confirmation dialog when opening the Usenet-related schemes "news:" and "snews:". A remote attacker can trick the victim into downloading a malicious application that can be launched at will without any additional prompts.

Mozilla Firefox
Firefox ESR
Firefox for Android
Debian Linux
Oracle Linux
Gentoo Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 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 Server for SAP Applications 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Software Development Kit 12
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 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
Desktop Applications Module
openSUSE Leap
Ubuntu
openEuler
Oracle Solaris
IBM Cloud Pak for Multicloud Management
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
www-client/firefox
dev-lang/spidermonkey
mozilla-thunderbird
mozilla-firefox
firefox-esr (Debian package)
firefox
firefox-debuginfo
firefox-debugsource
thunderbird (Debian package)
firefox (Red Hat package)
MozillaFirefox-devel
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox
MozillaFirefox-translations-common
MozillaFirefox-branding-upstream
MozillaFirefox-translations-other
mail-client/thunderbird
mail-client/thunderbird-bin
firefox (Ubuntu package)
Mozilla Thunderbird

Install updates from vendor's website.

Mozilla Firefox - update to 130.0
Firefox for Android - update to 130.0
Firefox ESR - addressed in versions 115.15.0, 128.2.0
Mozilla Thunderbird - addressed in versions 115.15.0, 128.2.0
Oracle Solaris - update to 11.4 SRU 74
www-client/firefox - update to 104
dev-lang/spidermonkey - update to 115.15.0
mozilla-thunderbird - addressed in versions 115.15.0, 128.2.0esr
mozilla-firefox - addressed in versions 115.15.0esr, 128.2.0esr
firefox-esr (Debian package) - update to 115.15.0esr-1~deb12u1
firefox - addressed in versions 115.15.0-1, 128.8.0-1
firefox-debuginfo - addressed in versions 115.15.0-1, 128.8.0-1
firefox-debugsource - addressed in versions 115.15.0-1, 128.8.0-1
thunderbird (Debian package) - update to 1:115.15.0-1~deb12u1
firefox (Red Hat package) - addressed in versions 128.2.0-1.el7_9, 128.2.0-1.el8_2, 128.2.0-1.el8_4, 128.2.0-1.el8_6, 128.2.0-1.el8_8, 128.2.0-1.el8_10, 128.2.0-1.el9_0, 128.2.0-1.el9_2, 128.2.0-1.el9_4
firefox - addressed in versions 128.2.0-1.0.1, 128.2.0-1.0.2
MozillaFirefox-devel - addressed in versions 128.2.0-112.225.1, 128.2.0-150200.152.149.1
MozillaFirefox-debugsource - addressed in versions 128.2.0-112.225.1, 128.2.0-150200.152.149.1
MozillaFirefox-debuginfo - addressed in versions 128.2.0-112.225.1, 128.2.0-150200.152.149.1
MozillaFirefox - addressed in versions 128.2.0-112.225.1, 128.2.0-150200.152.149.1
MozillaFirefox-translations-common - addressed in versions 128.2.0-112.225.1, 128.2.0-150200.152.149.1
MozillaFirefox-branding-upstream - update to 128.2.0-150200.152.149.1
MozillaFirefox-translations-other - update to 128.2.0-150200.152.149.1
mail-client/thunderbird - update to 128.4.0
mail-client/thunderbird-bin - update to 128.4.0
firefox (Ubuntu package) - addressed in versions 130.0+build2-0ubuntu0.20.04.1, 130.0.1+build1-0ubuntu0.20.04.1

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-39/
• https://www.mozilla.org/en-US/security/advisories/mfsa2024-40/
• https://www.mozilla.org/en-US/security/advisories/mfsa2024-41/

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Slackware Linux update for mozilla-firefox
• Debian update for firefox-esr
• Ubuntu update for firefox
• SUSE update for MozillaFirefox
• SUSE update for MozillaFirefox
• Debian update for thunderbird
• Multiple vulnerabilities in Mozilla Thunderbird 115
• Multiple vulnerabilities in Mozilla Thunderbird
• openEuler 24.03 LTS update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Ubuntu update for firefox
• Slackware Linux update for mozilla-thunderbird
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 9 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Red Hat Enterprise Linux 8 update for firefox
• Oracle Solaris update for third-party components
• Multiple vulnerabilities in Oracle Linux
• Gentoo update for Mozilla Thunderbird
• Gentoo update for Mozilla Firefox
• Gentoo update for Spidermonkey
• Multiple vulnerabilities in IBM Cloud Pak for Multicloud Management
• openEuler 22.03 LTS SP4 update for firefox
• openEuler 22.03 LTS SP3 update for firefox
• Anolis OS update for firefox
• Anolis OS update for firefox