CVE-2019-9807 — Improper Input Validation in Mozilla Firefox

CWE-20 — Improper Input Validation12 documents5 sources
Severity
4.3MEDIUMNVD
OSV9.8
EPSS
0.2%
top 57.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedApr 26
Latest updateMay 24

Description

When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal alert message with this text as the content. This could potentially be used for social engineering attacks. This vulnerability affects Firefox < 66.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶debiandebian/firefox< firefox 66.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 66
▶NVDmozilla/firefox< 66.0
▶Ubuntumozilla/firefox< 66.0.2+build1-0ubuntu0.14.04.1+8

🔴Vulnerability Details

6
GHSA
GHSA-7785-cqjm-vp4q: When arbitrary text is sent over an FTP connection and a page reload is initiated, it is possible to create a modal alert message with this text as th↗2022-05-24
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OSV
firefox regressions↗2019-04-16
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OSV
firefox regression↗2019-03-28
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OSV
firefox vulnerabilities↗2019-03-25
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OSV
firefox vulnerabilities↗2019-03-21
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📋Vendor Advisories

5
Ubuntu
Firefox regressions↗2019-04-16
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Ubuntu
Firefox regression↗2019-03-28
▶
Ubuntu
Firefox vulnerabilities↗2019-03-25
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Ubuntu
Firefox vulnerabilities↗2019-03-21
▶
Debian
CVE-2019-9807: firefox - When arbitrary text is sent over an FTP connection and a page reload is initiate...↗2019
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