CVE-2025-0237— WebChannel APIs susceptible to confused deputy attack
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I. Basic Information for CVE-2025-0237
Vulnerability Information
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Vulnerability Title
WebChannel APIs susceptible to confused deputy attack
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 134版本之前存在安全漏洞，该漏洞源于WebChannel API用于跨进程传输各种信息，它没有检查发送主体，而是接受了正在发送的主体。这可能导致特权升级攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | 128.6 ~ 128.* | - | |
| Mozilla | Thunderbird | 128.6 ~ 128.* | - |
II. Public POCs for CVE-2025-0237
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-01-07 · 11 CVEs total
| CVE-2025-0245 | Lock screen setting bypass in Firefox Focus for Android | |
| CVE-2025-0244 | Address bar spoofing using an invalid protocol scheme on Firefox for Android | |
| CVE-2025-0239 | Alt-Svc ALPN validation failure when redirected | |
| CVE-2025-0246 | Address bar spoofing using an invalid protocol scheme on Firefox for Android | |
| CVE-2025-0238 | Use-after-free when breaking lines in text | |
| CVE-2025-0241 | Memory corruption when using JavaScript Text Segmentation | |
| CVE-2025-0240 | Compartment mismatch when parsing JavaScript JSON module | |
| CVE-2025-0243 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbi | |
| CVE-2025-0242 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR | |
| CVE-2025-0247 | Memory safety bugs fixed in Firefox 134 and Thunderbird 134 |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2025-0237
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