CVE-2019-11762 Information

Description

If two same-origin documents set document.domain differently to become cross-origin it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox 70 Thunderbird 68.2 and Firefox ESR 68.2.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1582857 https://security.gentoo.org/glsa/202003-10 https://usn.ubuntu.com/4335-1/ https://www.mozilla.org/security/advisories/mfsa2019-33/ https://www.mozilla.org/security/advisories/mfsa2019-34/ https://www.mozilla.org/security/advisories/mfsa2019-35/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1