Bug 1635451 (CVE-2018-12386) - CVE-2018-12386 Mozilla: type confusion in JavaScript
Summary: CVE-2018-12386 Mozilla: type confusion in JavaScript
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-12386
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
urgent
urgent
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1635173 1635174 1635175
Blocks: 1635177
TreeView+ depends on / blocked
 
Reported: 2018-10-02 23:19 UTC by Doran Moppert
Modified: 2021-12-10 17:45 UTC (History)
6 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2018-11-13 05:18:49 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2881 0 None None None 2018-10-08 08:26:55 UTC
Red Hat Product Errata RHSA-2018:2884 0 None None None 2018-10-08 19:54:51 UTC

Description Doran Moppert 2018-10-02 23:19:19 UTC 
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.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-24/#CVE-2018-12386
Comment 1 Doran Moppert 2018-10-02 23:19:24 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Niklas Baumstark, Samuel Groß, Bruno Keith via Beyond Security's SecuriTeam Secure Disclosure program
Comment 3 errata-xmlrpc 2018-10-08 08:26:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:2881 https://access.redhat.com/errata/RHSA-2018:2881
Comment 4 errata-xmlrpc 2018-10-08 19:54:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2884 https://access.redhat.com/errata/RHSA-2018:2884
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