Incorrect Permission Assignment for Critical Resource Affecting firefox package, versions <63.0-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-FIREFOX-424096
- published28 Oct 2018
- disclosed28 Feb 2019
Introduced: 28 Oct 2018
CVE-2018-12396 (opens in a new tab)How to fix?
Upgrade Debian:unstable firefox to version 63.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
References
- https://security-tracker.debian.org/tracker/CVE-2018-12396
- https://www.debian.org/security/2018/dsa-4324
- https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
- https://security.gentoo.org/glsa/201811-04
- https://www.mozilla.org/security/advisories/mfsa2018-26/
- https://www.mozilla.org/security/advisories/mfsa2018-27/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1483602
- https://access.redhat.com/errata/RHSA-2018:3005
- https://access.redhat.com/errata/RHSA-2018:3006
- http://www.securityfocus.com/bid/105718
- http://www.securitytracker.com/id/1041944
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12396
- https://usn.ubuntu.com/3801-1/