CVE-2017-7816Improper Input Validation in Mozilla Firefox

Severity
5.3MEDIUMNVD
OSV9.8
EPSS
0.3%
top 49.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 11
Latest updateMay 13

Description

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

debiandebian/firefox< firefox 56.0-1 (sid)
CVEListV5mozilla/firefoxunspecified56
Ubuntumozilla/firefox< 56.0+build6-0ubuntu0.14.04.1+4
NVDmozilla/firefox55.0.3

🔴Vulnerability Details

4
GHSA
GHSA-q9h8-ghr2-6995: WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavio2022-05-13
OSV
firefox regression2017-10-04
OSV
CVE-2017-7816: WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavio2017-10-02
OSV
firefox vulnerabilities2017-10-02

📋Vendor Advisories

4
Ubuntu
Firefox regression2017-10-04
Ubuntu
Firefox vulnerabilities2017-10-02
Red Hat
Qemu: libcacard: host memory leakage while creating new APDU2017-02-21
Debian
CVE-2017-7816: firefox - WebExtensions could use popups and panels in the extension UI to load an "about:...2017

💬Community

1
Bugzilla
browser.identity.launchWebAuthFlow can open privileged pages2017-12-14