Incorrect Type Conversion or Cast Affecting firefox package, versions <62.0.3+build1-0ubuntu1
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-UBUNTU2104-FIREFOX-1270364
- published9 Oct 2018
- disclosed18 Oct 2018
Introduced: 9 Oct 2018
CVE-2018-12386 (opens in a new tab)How to fix?
Upgrade Ubuntu:21.04 firefox to version 62.0.3+build1-0ubuntu1 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:21.04 relevant fixed versions and status.
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12386
- https://www.debian.org/security/2018/dsa-4310
- https://security-tracker.debian.org/tracker/CVE-2018-12386
- https://security.gentoo.org/glsa/201810-01
- https://www.mozilla.org/security/advisories/mfsa2018-24/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
- https://access.redhat.com/errata/RHSA-2018:2881
- https://access.redhat.com/errata/RHSA-2018:2884
- http://www.securityfocus.com/bid/105460
- http://www.securitytracker.com/id/1041770
- https://usn.ubuntu.com/3778-1/