CVE-2018-6758
Publication date 6 February 2018
Last updated 25 August 2025
Ubuntu priority
Description
The uwsgi_expand_path function in core/utils.c in Unbit uWSGI through 2.0.15 has a stack-based buffer overflow via a large directory length.
From the Ubuntu Security Team
It was discovered that uWSGI mishandled certain input resulting in a stack buffer overflow. A remote attacker could use this vulnerability to cause uWSGI to crash or potentially execute arbitrary code.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| uwsgi | 18.04 LTS bionic |
Not affected
|
| 16.04 LTS xenial |
Fixed 2.0.12-5ubuntu3.2
|
|
| 14.04 LTS trusty |
Fixed 1.9.17.1-5ubuntu0.1
|
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 |