Origin Validation Error Affecting firefox package, versions <58.0-1
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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- published11 Jun 2018
- disclosed11 Jun 2018
Introduced: 11 Jun 2018
CVE-2018-5116 (opens in a new tab)How to fix?
Upgrade Debian:unstable firefox to version 58.0-1 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.
WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with this permission. This vulnerability affects Firefox < 58.
References
- https://security-tracker.debian.org/tracker/CVE-2018-5116
- https://www.mozilla.org/security/advisories/mfsa2018-02/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1396399
- http://www.securityfocus.com/bid/102786
- http://www.securitytracker.com/id/1040270
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-5116
- https://usn.ubuntu.com/3544-1/