CVE-2017-7770 — Improper Input Validation in Mozilla Firefox

CWE-20 — Improper Input Validation3 documents3 sources
Severity
5.9MEDIUMNVD
EPSS
0.4%
top 41.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedJun 11
Latest updateMay 14

Description

A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered. This would allow a malicious site to displayed a spoofed addressbar, showing the location of an arbitrary website instead of the one loaded. Note: this issue only affects Firefox for Android. Desktop Firefox is unaffected. This vulnerability affects Firefox < 54.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 2.2 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5mozilla/firefoxunspecified — 54
▶NVDmozilla/firefox< 54.0

🔴Vulnerability Details

1
GHSA
GHSA-phqm-287h-4733: A mechanism where when a new tab is loaded through JavaScript events, if fullscreen mode is then entered, the addressbar will not be rendered↗2022-05-14
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📋Vendor Advisories

1
Debian
CVE-2017-7770: firefox - A mechanism where when a new tab is loaded through JavaScript events, if fullscr...↗2017
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