CVE-2018-5166 — Improper Privilege Management in Mozilla Firefox

CWE-269 — Improper Privilege ManagementCWE-266 — Incorrect Privilege Assignment10 documents7 sources
Severity
7.5HIGHNVD
OSV9.8
EPSS
0.8%
top 26.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxDebian FirefoxCanonical Ubuntu Linux
Timeline
PublishedJun 11
Latest updateMay 13

Description

WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permission. This vulnerability affects Firefox < 60.

CVSS vector

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

Affected Packages4 packages

▶debiandebian/firefox< firefox 60.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 60
▶NVDmozilla/firefox< 60.0
▶Ubuntumozilla/firefox< 60.0+build2-0ubuntu0.14.04.1+5

Also affects: Ubuntu Linux 14.04, 16.04, 17.10, 18.04

🔴Vulnerability Details

4
GHSA
GHSA-xf5w-2jf5-86c8: WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access c↗2022-05-13
▶
OSV
firefox regression↗2018-05-18
▶
OSV
firefox vulnerabilities↗2018-05-11
▶
OSV
CVE-2018-5166: WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access c↗2018-05-11
▶

📋Vendor Advisories

4
Ubuntu
Firefox regression↗2018-05-18
▶
Ubuntu
Firefox vulnerabilities↗2018-05-11
▶
Red Hat
Mozilla: WebExtension host permission bypass through filterReponseData↗2018-05-09
▶
Debian
CVE-2018-5166: firefox - WebExtensions can use request redirection and a "filterReponseData" filter to by...↗2018
▶

💬Community

1
Bugzilla
CVE-2018-5166 Mozilla: WebExtension host permission bypass through filterReponseData↗2018-05-09
▶