CVE-2018-0501
Publication date 20 August 2018
Last updated 25 August 2025
Ubuntu priority
Description
The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| apt | 18.04 LTS bionic |
Fixed 1.6.3ubuntu0.1
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.9 · Medium
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-3746-1
- APT vulnerability
- 20 August 2018