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. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-1987-1 firefox-esr security update
Debian DLA Debian DLA DLA-1997-1 thunderbird security update
Debian DSA Debian DSA DSA-4549-1 firefox-esr security update
Debian DSA Debian DSA DSA-4571-1 thunderbird security update
EUVD EUVD EUVD-2019-3431 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. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Ubuntu USN Ubuntu USN USN-4165-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-4202-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-4335-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T23:03:32.758Z

Reserved: 2019-05-03T00:00:00

Link: CVE-2019-11761

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-08T20:15:12.780

Modified: 2024-11-21T04:21:44.440

Link: CVE-2019-11761

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-10-22T00:00:00Z

Links: CVE-2019-11761 - Bugzilla

cve-icon OpenCVE Enrichment

No data.