Vulnerability · Published Sep 3, 2024 · Assigned by mozilla
CVE-2024-8386
Medium 6.1
In plain English
A medium-severity authentication bypass by spoofing in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 66.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
If a site had been granted the permission to open popup windows, it could cause Select elements to appear on top of another site to perform a spoofing attack. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6682 |
| AlmaLinux:9 | firefox | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6681 |
| AlmaLinux:9 | firefox-x11 | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6681 |
| AlmaLinux:8 | thunderbird | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6684 |
| AlmaLinux:9 | thunderbird | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6683 |
| Debian:13 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8386 |
| Debian:14 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8386 |
| Rocky Linux:8 | firefox | 0:128.2.0-1.el8_10 | RLSA-2024:6682 |
| Rocky Linux:9 | firefox | 0:128.2.0-1.el9_4.0.1 | RLSA-2024:6681 |
| Rocky Linux:8 | thunderbird | 0:128.2.0-1.el8_10 | RLSA-2024:6684 |
| Rocky Linux:9 | thunderbird | 0:128.2.0-1.el9_4.0.1 | RLSA-2024:6683 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8386 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8386 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-8386 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-8386 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-8386 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 130 |
| Mozilla | Firefox ESR | unspecified – before 128.2 |
| Mozilla | Thunderbird | unspecified – before 128.2 |
Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1907032
- https://bugzilla.mozilla.org/show_bug.cgi?id=1909163
- https://bugzilla.mozilla.org/show_bug.cgi?id=1909529
- https://www.mozilla.org/security/advisories/mfsa2024-39/
- https://www.mozilla.org/security/advisories/mfsa2024-40/
- https://www.mozilla.org/security/advisories/mfsa2024-43/