CVE-2024-9391 — Authentication Bypass by Spoofing in Mozilla Firefox

CWE-290 — Authentication Bypass by Spoofing7 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.4%
top 41.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedOct 1

Description

A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode. This may allow spoofing of other sites as the address bar is no longer visible. *This bug only affects Firefox Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 131.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.5

Affected Packages2 packages

▶CVEListV5mozilla/firefoxunspecified — 131
▶NVDmozilla/firefox< 131.0

🔴Vulnerability Details

3
GHSA
GHSA-p5hw-4fxj-g4x6: A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode↗2024-10-01
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OSV
CVE-2024-9391: A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode↗2024-10-01
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CVEList
CVE-2024-9391: A user who enables full-screen mode on a specially crafted web page could potentially be prevented from exiting full screen mode↗2024-10-01
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📋Vendor Advisories

3
Red Hat
firefox: Prevent users from exiting full-screen mode in Firefox Focus for Android↗2024-10-01
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Debian
CVE-2024-9391: firefox - A user who enables full-screen mode on a specially crafted web page could potent...↗2024
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Mozilla
Mozilla Foundation Security Advisory 2024-46: CVE-2024-9391↗
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CVE-2024-9391 — Authentication Bypass by Spoofing | cvebase