Improper access control in Firefox ESR - CVE-2022-26386

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU61109

Improper access control in Firefox ESR - CVE-2022-26386

Published: March 8, 2022


Vulnerability identifier: #VU61109
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-26386
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to victim's downloads.

The vulnerability exists due to browser stores files in the /tmp folder, which is accessible by all local users. A local user can read files from this folder and gain access to potentially sensitive information.

Note, the vulnerability affects Firefox ESR on macOS and Linux.


Affected software

Firefox ESR
Gentoo Linux
SUSE Manager Proxy
SUSE Manager Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Desktop
CentOS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
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
Oracle Solaris
Slackware Linux
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Workstation Extension
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Server
Ubuntu
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
SUSE Linux Enterprise Module for Packagehub Subpackages
firefox-esr (Debian package)
thunderbird (Debian package)
thunderbird (Red Hat package)
firefox (Red Hat package)
thunderbird (Ubuntu package)
thunderbird
firefox
MozillaThunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
mail-client/thunderbird
mail-client/thunderbird-bin
Mozilla Thunderbird
IBM Cloud Pak for Multicloud Management Monitoring

How to mitigate CVE-2022-26386

Install updates from vendor's website.

Firefox ESR - update to 91.7.0
firefox-esr (Debian package) - addressed in versions 91.7.0esr-1~deb10u1, 91.7.0esr-1~deb11u1
thunderbird (Debian package) - addressed in versions 1:91.7.0-2~deb10u1, 1:91.7.0-2~deb11u1
Mozilla Thunderbird - update to 91.7.0
thunderbird (Red Hat package) - addressed in versions 91.7.0-2.el7_9, 91.7.0-2.el8_1, 91.7.0-2.el8_2, 91.7.0-2.el8_4, 91.7.0-2.el8_5
firefox (Red Hat package) - addressed in versions 91.7.0-3.el7_9, 91.7.0-3.el8_1, 91.7.0-3.el8_2, 91.7.0-3.el8_4, 91.7.0-3.el8_5
IBM Cloud Pak for Multicloud Management Monitoring - update to 2.3 Fix Pack 6
thunderbird (Ubuntu package) - addressed in versions 1:91.7.0+build2-0ubuntu0.18.04.1, 1:91.7.0+build2-0ubuntu0.20.04.1, 1:91.7.0+build2-0ubuntu0.21.10.1
thunderbird - update to 91.7.0-2.0.1
firefox - update to 91.7.0-3.0.1
MozillaThunderbird - update to 91.7.0-150200.8.62.7
MozillaThunderbird-debuginfo - update to 91.7.0-150200.8.62.7
MozillaThunderbird-debugsource - update to 91.7.0-150200.8.62.7
MozillaThunderbird-translations-common - update to 91.7.0-150200.8.62.7
MozillaThunderbird-translations-other - update to 91.7.0-150200.8.62.7
mail-client/thunderbird - update to 91.12.0
mail-client/thunderbird-bin - update to 91.12.0

External References

Related Security Bulletins