Bug 1670633 (CVE-2018-18505) - CVE-2018-18505 Mozilla: Privilege escalation through IPC channel messages
Summary: CVE-2018-18505 Mozilla: Privilege escalation through IPC channel messages
Status: NEW
Alias: CVE-2018-18505
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard: impact=important,public=20190129,repo...
Keywords: Security
Depends On: 1668153 1668155 1670637 1670639 1670640 1668154 1668156 1670636 1670638
Blocks: 1668151 1670486
TreeView+ depends on / blocked
 
Reported: 2019-01-29 23:18 UTC by Doran Moppert
Modified: 2019-05-09 08:37 UTC (History)
5 users (show)

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Clone Of:
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Last Closed:


Attachments (Terms of Use)


External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:0218 None None None 2019-01-30 17:38 UTC
Red Hat Product Errata RHSA-2019:0219 None None None 2019-01-30 17:56 UTC
Red Hat Product Errata RHSA-2019:0269 None None None 2019-02-04 20:41 UTC
Red Hat Product Errata RHSA-2019:0270 None None None 2019-02-04 20:42 UTC

Description Doran Moppert 2019-01-29 23:18:56 UTC
An earlier fix for an Inter-process Communication (IPC) vulnerability, CVE-2011-3079, added authentication to communication between IPC endpoints and server parents during IPC process creation. This authentication is insufficient for channels created after the IPC process is started, leading to the authentication not being correctly applied to later channels. This could allow for a sandbox escape through IPC channels due to lack of message validation in the listener process.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2019-02/#CVE-2018-18505

Comment 1 Doran Moppert 2019-01-29 23:18:59 UTC
Acknowledgments:

Name: the Mozilla project
Upstream: Jed Davis

Comment 7 errata-xmlrpc 2019-01-30 17:38:54 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:0218 https://access.redhat.com/errata/RHSA-2019:0218

Comment 8 errata-xmlrpc 2019-01-30 17:56:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0219 https://access.redhat.com/errata/RHSA-2019:0219

Comment 9 errata-xmlrpc 2019-02-04 20:41:48 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:0269 https://access.redhat.com/errata/RHSA-2019:0269

Comment 10 errata-xmlrpc 2019-02-04 20:42:02 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:0270 https://access.redhat.com/errata/RHSA-2019:0270


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