CVE-2019-9809

MEDIUM

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.

References

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/

Details

Source: MITRE

Published: 2019-04-26

Updated: 2019-04-29

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH