CVE-2023-4053 — Link Following in Mozilla Firefox

CWE-59 — Link FollowingCWE-290 — Authentication Bypass by Spoofing13 documents8 sources
Severity
6.5MEDIUMNVD
OSV5.3
EPSS
0.1%
top 65.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedAug 1
Latest updateAug 29

Description

A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶CVEListV5mozilla/firefoxunspecified — 116
▶NVDmozilla/firefox< 116.0
▶CVEListV5mozilla/firefox_esrunspecified — 115.2
▶Ubuntumozilla/firefox< 116.0+build2-0ubuntu0.20.04.2
▶CVEListV5mozilla/thunderbirdunspecified — 115.2

🔴Vulnerability Details

6
OSV
firefox regressions↗2023-08-21
▶
OSV
firefox regressions↗2023-08-08
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OSV
firefox vulnerabilities↗2023-08-02
▶
OSV
CVE-2023-4053: A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL↗2023-08-01
▶
GHSA
GHSA-8mxh-558j-w4gm: A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL↗2023-08-01
▶

📋Vendor Advisories

6
Red Hat
Mozilla: Full screen notification obscured by external program↗2023-08-29
▶
Ubuntu
Firefox vulnerabilities↗2023-08-02
▶
Debian
CVE-2023-4053: firefox - A website could have obscured the full screen notification by using a URL with a...↗2023
▶
Mozilla
Mozilla Foundation Security Advisory 2023-36: CVE-2023-4053↗
▶
Mozilla
Mozilla Foundation Security Advisory 2023-38: CVE-2023-4053↗
▶
CVE-2023-4053 — Link Following in Mozilla Firefox | cvebase