CVE-2019-9809 Information

Description

If the source for resources on a page is through an FTP connection it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed allowing for a denial of service (DOS) attack. This vulnerability affects Firefox 66.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1282430 https://bugzilla.mozilla.org/show_bug.cgi?id=1523249 https://www.mozilla.org/security/advisories/mfsa2019-07/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5