Until explicitly accessed by script, window.globalThis is not enumerable and, as a result, is not visible to code such as Object.getOwnPropertyNames(window). Sites that deploy a sandboxing that depends on enumerating and freezing access to the window object may miss this, allowing their sandboxes to be bypassed. This vulnerability affects Firefox < 68.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
| Link | Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2019-21/ | vendor advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1552632 | issue tracking permissions required vendor advisory |
| https://security.gentoo.org/glsa/201908-12 | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html | vendor advisory |
| http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html | vendor advisory |