CVE-2016-4800
Publication date 13 April 2017
Last updated 25 August 2025
Ubuntu priority
Description
The path normalization mechanism in PathResource class in Eclipse Jetty 9.3.x before 9.3.9 on Windows allows remote attackers to bypass protected resource restrictions and other security constraints via a URL with certain escaped characters, related to backslashes.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| jetty | 16.04 LTS xenial |
Not affected
|
| 14.04 LTS trusty |
Not affected
|
|
| jetty8 | 16.04 LTS xenial |
Not affected
|
| 14.04 LTS trusty |
Not affected
|
|
| jetty9 | 16.04 LTS xenial |
Not affected
|
| 14.04 LTS trusty | Not in release | |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |