Vulnerability · Published Jan 7, 2025 · Assigned by mozilla
CVE-2025-0237WebChannel APIs susceptible to confused deputy attack
Medium 5.4
In plain English
A medium-severity incorrect authorization 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 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 128.6.0-1.el8_10 | ALSA-2025:0144 |
| AlmaLinux:9 | firefox | 128.6.0-1.el9_5 | ALSA-2025:0080 |
| AlmaLinux:9 | firefox-x11 | 128.6.0-1.el9_5 | ALSA-2025:0080 |
| AlmaLinux:8 | thunderbird | 128.6.0-3.el8_10.alma.1 | ALSA-2025:0281 |
| Debian:12 | firefox-esr | 128.6.0esr-1~deb12u1 | DEBIAN-CVE-2025-0237 |
| Debian:12 | firefox-esr | 128.6.0esr-1~deb12u1 | DSA-5839-1 |
| Debian:13 | firefox-esr | 128.6.0esr-1 | DEBIAN-CVE-2025-0237 |
| Debian:14 | firefox-esr | 128.6.0esr-1 | DEBIAN-CVE-2025-0237 |
| Debian:12 | thunderbird | 1:128.6.0esr-1~deb12u1 | DEBIAN-CVE-2025-0237 |
| Debian:12 | thunderbird | 1:128.6.0esr-1~deb12u1 | DSA-5841-1 |
| Debian:13 | thunderbird | 1:128.6.0esr-1 | DEBIAN-CVE-2025-0237 |
| Debian:14 | thunderbird | 1:128.6.0esr-1 | DEBIAN-CVE-2025-0237 |
| Rocky Linux:8 | firefox | 0:128.6.0-1.el8_10 | RLSA-2025:0144 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-0237 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2025-0237 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2025-0237 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2025-0237 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2025-0237 |
| Ubuntu:22.04:LTS | thunderbird | 1:140.7.1+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2025-0237 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | see references |
| Mozilla | Thunderbird | see references |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1915257
- https://www.mozilla.org/security/advisories/mfsa2025-01/
- https://www.mozilla.org/security/advisories/mfsa2025-02/
- https://www.mozilla.org/security/advisories/mfsa2025-04/
- https://www.mozilla.org/security/advisories/mfsa2025-05/
- https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html