CVE-2017-7789 Affecting firefox package, versions <55.0.1+build2-0ubuntu0.16.04.2
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-2017-7789 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 firefox to version 55.0.1+build2-0ubuntu0.16.04.2 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 Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
If a server sends two Strict-Transport-Security (STS) headers for a single connection, they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox < 55.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7789
- https://security-tracker.debian.org/tracker/CVE-2017-7789
- https://www.mozilla.org/security/advisories/mfsa2017-18/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1074642
- http://www.securityfocus.com/bid/100374
- http://www.securitytracker.com/id/1039124