SB2025010985 - Multiple vulnerabilities in Firefox for Android and Firefox Focus for Android
Published: January 9, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 11 secuirty vulnerabilities.
1) Spoofing attack (CVE-ID: CVE-2025-0244)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when redirecting to an invalid protocol scheme. A remote attacker trick the victim into clicking on a specially crafted link can spoof the address bar.
2) Unintended Proxy or Intermediary (CVE-ID: CVE-2025-0237)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to WebChannel API does not check the sending principal but rather accepted the principal being sent when transporting data across processes. A local user can perform confused deputy attack and escalate privileges on the system.
3) Use-after-free (CVE-ID: CVE-2025-0238)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when breaking lines in text. A remote attacker can trick the victim into visiting a specially crafted webpage and execute arbitrary code on the system.
4) Improper Certificate Validation (CVE-ID: CVE-2025-0239)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to Alt-Svc ALPN does not properly validate certificates when the original server is redirecting to an insecure site. A remote attacker can perform MitM attack.
5) Use-after-free (CVE-ID: CVE-2025-0240)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when parsing a JavaScript module as JSON. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
6) Buffer overflow (CVE-ID: CVE-2025-0241)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Buffer overflow (CVE-ID: CVE-2025-0242)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
8) Buffer overflow (CVE-ID: CVE-2025-0243)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
9) Buffer overflow (CVE-ID: CVE-2025-0247)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
10) Security features bypass (CVE-ID: CVE-2025-0245)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to lock screen settings bypass. A local user can bypass an opt-in setting that Focus should require authentication before use and gain unauthorized access to the application.
11) Spoofing attack (CVE-ID: CVE-2025-0246)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when redirecting to an invalid protocol scheme. A remote attacker trick the victim into clicking on a specially crafted link can spoof the address bar.
Remediation
Install update from vendor's website.