CVE-2019-11730 — Inclusion of Functionality from Untrusted Control Sphere in Mozilla Firefox
Severity
6.5MEDIUMNVD
OSV9.8
EPSS
19.7%
top 4.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 23
Latest updateMay 24
Description
A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or sub-directories if the names are known or guessed. The Fetch API can then be used to read the contents of any files stored in these directories and they may uploaded to a server. It was demonstrated that in combination with a popular Android messaging app, if a malicious HTML attachment is sent to a user and they opened that attachment in Firefox, du…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6
Affected Packages13 packages
Also affects: Debian Linux 8.0
🔴Vulnerability Details
5GHSA▶
GHSA-353x-8rf5-m26c: A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or su↗2022-05-24
OSV▶
CVE-2019-11730: A vulnerability exists where if a user opens a locally saved HTML file, this file can use file: URIs to access other files in the same directory or su↗2019-07-23
📋Vendor Advisories
5Red Hat
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Debian▶
CVE-2019-11730: firefox - A vulnerability exists where if a user opens a locally saved HTML file, this fil...↗2019