CVE-2017-5450 — Improper Input Validation in Mozilla Firefox

CWE-20 — Improper Input Validation4 documents4 sources
Severity
7.5HIGHNVD
EPSS
1.1%
top 22.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJun 11
Latest updateMay 14

Description

A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. This vulnerability affects Firefox < 53.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/firefox< firefox 52.0.1-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 53
▶NVDmozilla/firefox< 53.0

🔴Vulnerability Details

1
GHSA
GHSA-m2q8-9rr2-r2ww: A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI↗2022-05-14
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📋Vendor Advisories

1
Debian
CVE-2017-5450: firefox - A mechanism to spoof the Firefox for Android addressbar using a "javascript:" UR...↗2017
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💬Community

1
Bugzilla
Firefox Addressbar Spoofing using javascript URL Scheme↗2018-05-26
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