Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox package, versions <0:60.2.2-1.el7_5
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Access of Resource Using Incompatible Type ('Type Confusion') vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-RHEL7-FIREFOX-4846047
- published26 Jul 2021
- disclosed2 Oct 2018
Introduced: 2 Oct 2018
CVE-2018-12386 (opens in a new tab)How to fix?
Upgrade RHEL:7 firefox to version 0:60.2.2-1.el7_5 or higher.
This issue was patched in RHSA-2018:2884.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL.
See How to fix? for RHEL:7 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://www.securityfocus.com/bid/105460
- https://bugzilla.mozilla.org/show_bug.cgi?id=1493900
- https://www.mozilla.org/security/advisories/mfsa2018-24/
- https://access.redhat.com/security/cve/CVE-2018-12386
- https://www.debian.org/security/2018/dsa-4310
- https://security.gentoo.org/glsa/201810-01
- https://access.redhat.com/errata/RHSA-2018:2884
- http://www.securitytracker.com/id/1041770
- https://usn.ubuntu.com/3778-1/