Bug 1764442 (CVE-2019-11761)

Summary: CVE-2019-11761 Mozilla: Unintended access to a privileged JSONView object
Product: [Other] Security Response Reporter: Doran Moppert <dmoppert>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: cschalle, gecko-bugs-nobody, jhorak, security-response-team, stransky
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: firefox 68.2, thunderbird 68.2 Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in Mozilla Firefox and Thunderbird. Privileged JSONView objects that have been cloned into content can be accessed using a form with a data URI. This flaw bypasses existing defense-in-depth mechanisms and can be exploited over the network.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-10-25 00:51:37 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1764938, 1763558, 1763559, 1763560, 1763561, 1763562, 1763563, 1764206, 1764937, 1764939, 1764940, 1764941, 1764942    
Bug Blocks: 1763556    

Description Doran Moppert 2019-10-23 05:40:23 UTC
By using a form with a data URI it was possible to gain access to the privileged `JSONView` object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms.



External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2019-33/#CVE-2019-11761

Comment 1 Doran Moppert 2019-10-23 05:40:25 UTC
Acknowledgments:

Name: the Mozilla project
Upstream: Cody Crews

Comment 2 errata-xmlrpc 2019-10-23 14:00:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:3193 https://access.redhat.com/errata/RHSA-2019:3193

Comment 3 errata-xmlrpc 2019-10-24 08:24:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:3196 https://access.redhat.com/errata/RHSA-2019:3196

Comment 4 Product Security DevOps Team 2019-10-25 00:51:37 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-11761

Comment 5 errata-xmlrpc 2019-10-29 09:49:10 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:3210 https://access.redhat.com/errata/RHSA-2019:3210

Comment 6 errata-xmlrpc 2019-10-29 13:47:02 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2019:3237 https://access.redhat.com/errata/RHSA-2019:3237

Comment 7 errata-xmlrpc 2019-10-31 14:08:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:3281 https://access.redhat.com/errata/RHSA-2019:3281

Comment 8 errata-xmlrpc 2019-11-06 17:08:26 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2019:3756 https://access.redhat.com/errata/RHSA-2019:3756