UNIX symbolic link following in Mozilla Firefox and Firefox for Android - CVE-2023-37206

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Main Vulnerability Database Vulnerabilities #VU77949

UNIX symbolic link following in Mozilla Firefox and Firefox for Android - CVE-2023-37206

Published: July 4, 2023


Vulnerability identifier: #VU77949
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-37206
CWE-ID: CWE-61
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a symlink following issue in the FileSystem API. A remote attacker can trick the victim into uploading a file, which contain a symlink to a critical file, and gain access to potentially sensitive information.


Affected software

Mozilla Firefox
Firefox for Android
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 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Software Development Kit 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
SUSE Linux Enterprise Server 12 SP2 BCL
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Server 12 SP4 LTSS
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
firefox (Ubuntu package)
MozillaFirefox-debugsource
MozillaFirefox-translations-common
MozillaFirefox-debuginfo
MozillaFirefox
MozillaFirefox-devel
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
MozillaFirefox-branding-SLE
firefox
firefox-debuginfo
firefox-debugsource

How to mitigate CVE-2023-37206

Install updates from vendor's website.

Mozilla Firefox - update to 115.0
Firefox for Android - update to 115.0
www-client/firefox - update to 104
firefox (Ubuntu package) - update to 115.0+build2-0ubuntu0.20.04.3
MozillaFirefox-debugsource - addressed in versions 115.0-112.165.1, 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox-translations-common - addressed in versions 115.0-112.165.1, 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox-debuginfo - addressed in versions 115.0-112.165.1, 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox - addressed in versions 115.0-112.165.1, 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox-devel - addressed in versions 115.0-112.165.1, 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox-translations-other - addressed in versions 115.0-150000.150.91.1, 115.0-150200.152.93.1
MozillaFirefox-branding-upstream - update to 115.0-150200.152.93.1
MozillaFirefox-branding-SLE - addressed in versions 115-35.12.2, 115-150000.4.25.1, 115-150200.9.13.1
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