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Mozilla: Time-of-check time-of-use bug when verifying add-on signatures

🗓️ 14 Mar 2022 10:30:36Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 4 Views

Mozilla Firefox TOCTOU bug: add-on signatures were checked before prompt, file could be modified.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package thunderbird version 91.7.0-alt1
15 Mar 202200:00
–altlinux
ALT Linux		Security fix for the ALT Linux 10 package firefox-esr version 91.7.0-alt1
15 Mar 202200:00
–altlinux
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Mozilla Firefox affect IBM Cloud Pak for Multicloud Management Monitoring.
31 Jan 202314:47
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities of Mozilla Firefox (less than Firefox 91.8.0ESR) have affected Synthetic Playback Agent 8.1.4.0-8.1.4 IF16 - 2022.4.0
29 Apr 202204:43
–ibm
Tenable Nessus		Amazon Linux 2 : thunderbird (ALAS-2022-1779)
27 Apr 202200:00
–nessus
Tenable Nessus		CentOS 7 : firefox (RHSA-2022:0824)
29 Mar 202200:00
–nessus
Tenable Nessus		CentOS 7 : thunderbird (RHSA-2022:0850)
29 Mar 202200:00
–nessus
Tenable Nessus		Debian DLA-2942-1 : firefox-esr - LTS security update
10 Mar 202200:00
–nessus
Tenable Nessus		Debian DLA-2961-1 : thunderbird - LTS security update
22 Mar 202200:00
–nessus
Tenable Nessus		Debian DSA-5097-1 : firefox-esr - security update
10 Mar 202200:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.4aarch64thunderbird0:91.7.0-2.el8_4thunderbird-0:91.7.0-2.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lethunderbird0:91.7.0-2.el8_4thunderbird-0:91.7.0-2.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8.4s390xthunderbird0:91.7.0-2.el8_4thunderbird-0:91.7.0-2.el8_4.s390x.rpm
Red Hat Enterprise Linux8.4x86_64thunderbird0:91.7.0-2.el8_4thunderbird-0:91.7.0-2.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4aarch64thunderbird-debuginfo0:91.7.0-2.el8_4thunderbird-debuginfo-0:91.7.0-2.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lethunderbird-debuginfo0:91.7.0-2.el8_4thunderbird-debuginfo-0:91.7.0-2.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8.4s390xthunderbird-debuginfo0:91.7.0-2.el8_4thunderbird-debuginfo-0:91.7.0-2.el8_4.s390x.rpm
Red Hat Enterprise Linux8.4x86_64thunderbird-debuginfo0:91.7.0-2.el8_4thunderbird-debuginfo-0:91.7.0-2.el8_4.x86_64.rpm
Red Hat Enterprise Linux8.4aarch64thunderbird-debugsource0:91.7.0-2.el8_4thunderbird-debugsource-0:91.7.0-2.el8_4.aarch64.rpm
Red Hat Enterprise Linux8.4ppc64lethunderbird-debugsource0:91.7.0-2.el8_4thunderbird-debugsource-0:91.7.0-2.el8_4.ppc64le.rpm
Rows per page

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03 Jul 2026 02:26Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.00657
SSVC
CWE-367
mozillafirefoxtime check useaddon signaturesignature verificationprompt safety
4