CVE-2019-9816 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1536768 https://www.mozilla.org/security/advisories/mfsa2019-13/ https://www.mozilla.org/security/advisories/mfsa2019-14/ https://www.mozilla.org/security/advisories/mfsa2019-15/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9