Bug 1625526 (CVE-2018-12377)

Summary: CVE-2018-12377 Mozilla: Use-after-free in driver timers
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2018-11-05 11:50:06 UTC Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1623016, 1623017, 1623037, 1623039, 1623040, 1625533, 1625535, 1636821    
Bug Blocks: 1623023, 1636820    

Description Doran Moppert 2018-09-05 07:14:34 UTC 
A use-after-free vulnerability can occur when driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-12377
Comment 1 Doran Moppert 2018-09-05 07:14:38 UTC 
Acknowledgments:

Name: the Mozilla project
Upstream: Nils
Comment 4 errata-xmlrpc 2018-09-12 10:55:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2692 https://access.redhat.com/errata/RHSA-2018:2692
Comment 5 errata-xmlrpc 2018-09-12 10:57:41 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:2693 https://access.redhat.com/errata/RHSA-2018:2693
Comment 7 Doran Moppert 2018-10-09 01:58:48 UTC 
Statement:

This flaw cannot be exploited through email in Thunderbird as scripting is disabled in this for email content. It may be possible to exploit through Feeds (Atom or RSS) or other browser-like contexts.
Comment 8 errata-xmlrpc 2018-10-30 16:58:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:3403 https://access.redhat.com/errata/RHSA-2018:3403
Comment 9 errata-xmlrpc 2018-11-05 10:44:00 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3458 https://access.redhat.com/errata/RHSA-2018:3458