Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 14.04 |
| Mozilla | Firefox | < 60.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104139Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040896Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1437325Issue TrackingPermissions RequiredVendor Advisory
- https://usn.ubuntu.com/3645-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory
- http://www.securityfocus.com/bid/104139Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040896Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1437325Issue TrackingPermissions RequiredVendor Advisory
- https://usn.ubuntu.com/3645-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-11/Vendor Advisory
FAQ
What is CVE-2018-5166?
CVE-2018-5166 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 expl...
How severe is CVE-2018-5166?
CVE-2018-5166 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5166?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Ubuntu Linux, Mozilla Firefox.