CVE-2019-9816

Impact:
Important
Public Date:
2019-05-22
CWE:
CWE-843
Bugzilla:
1712625: CVE-2019-9816 Mozilla: Type confusion with object groups and UnboxedObjects

The MITRE CVE dictionary describes this issue as:

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. *Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.*. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Find out more about CVE-2019-9816 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 8 (firefox) RHSA-2019:1269 2019-05-23
Red Hat Enterprise Linux 7 (firefox) RHSA-2019:1265 2019-05-23
Red Hat Enterprise Linux 6 (firefox) RHSA-2019:1267 2019-05-23

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 thunderbird Not affected
Red Hat Enterprise Linux 7 thunderbird Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Samuel Groß (Google Project Zero) as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation