CVE-2017-5451
Publication date 20 April 2017
Last updated 25 August 2025
Ubuntu priority
Description
A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | ||
| 16.04 LTS xenial |
Fixed 53.0+build6-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 53.0+build6-0ubuntu0.14.04.1
|
|
| thunderbird | ||
| 16.04 LTS xenial |
Fixed 1:52.1.1+build1-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 1:52.1.1+build1-0ubuntu0.14.04.1
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
4.3 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3278-1
- Thunderbird vulnerabilities
- 16 May 2017
- USN-3260-1
- Firefox vulnerabilities
- 21 April 2017