CVE-2018-5166

firefox: WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redi...

CVE-2018-5166 is fixed in 4 products on 1 platform, first by firefox 60.0+build2-0ubuntu1, released May 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0235
83rd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 60.0+build2-0ubuntu1 firefox 60.0+build2-0ubuntu1 May 10, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 60.0+build2-0ubuntu1 firefox-globalmenu 60.0+build2-0ubuntu1 May 10, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 60.0+build2-0ubuntu1 firefox-mozsymbols 60.0+build2-0ubuntu1 May 10, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 60.0+build2-0ubuntu1 firefox-testsuite 60.0+build2-0ubuntu1 May 10, 2018