Spoofing attack in Firefox for Android - CVE-2024-9395

Vulnerability identifier: #VU97928

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-9395

CWE-ID: CWE-451

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of filenames. A specially crafted filename containing a large number of spaces could obscure the file's extension when displayed in the download dialog.

Firefox for Android
Gentoo Linux
www-client/firefox
mail-client/thunderbird
mail-client/thunderbird-bin
dev-lang/spidermonkey

Install updates from vendor's website.

Firefox for Android - update to 131.0
www-client/firefox - update to 104
mail-client/thunderbird - update to 128.4.0
mail-client/thunderbird-bin - update to 128.4.0
dev-lang/spidermonkey - update to 128.8.0

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-46/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1906024

• Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
• Gentoo update for Mozilla Thunderbird
• Gentoo update for Mozilla Firefox
• Gentoo update for Spidermonkey