cbcvebase.
CVE-2018-18497
published 2019-02-28

CVE-2018-18497: Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to…

PriorityP429medium6.5CVSS 3.0
AVNACLPRNUIRSUCHINAN
EPSS
1.42%
69.6th percentile
Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.

Affected

10 ranges
VendorProductVersion rangeFixed in
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
debianfirefox< firefox 64.0-1 (sid)firefox 64.0-1 (sid)
mozillafirefox< 64.064.0
mozillafirefox>= 0 < 64.0+build3-0ubuntu0.14.04.164.0+build3-0ubuntu0.14.04.1
mozillafirefox>= 0 < 64.0+build3-0ubuntu0.16.04.164.0+build3-0ubuntu0.16.04.1
mozillafirefox>= 0 < 64.0+build3-0ubuntu0.18.04.164.0+build3-0ubuntu0.18.04.1
mozillafirefox>= unspecified < 6464

CVSS provenance

nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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