CVE-2017-5419
Published: 7 March 2017
If a malicious site repeatedly triggers a modal authentication prompt, eventually the browser UI will become non-responsive, requiring shutdown through the operating system. This is a denial of service (DOS) attack. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
firefox Launchpad, Ubuntu, Debian |
precise |
Released
(52.0+build2-0ubuntu0.12.04.1)
|
| trusty |
Released
(52.0+build2-0ubuntu0.14.04.1)
|
|
| upstream |
Released
(52.0)
|
|
| xenial |
Released
(52.0+build2-0ubuntu0.16.04.1)
|
|
| yakkety |
Released
(52.0+build2-0ubuntu0.16.10.1)
|
|
| zesty |
Released
(52.0.1+build2-0ubuntu1)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |