CVE-2018-19274
Publication date 17 November 2018
Last updated 18 August 2025
Ubuntu priority
Description
Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Injection by employing Phar deserialization when an attacker has access to the Admin Control Panel with founder permissions.
From the Ubuntu Security Team
It was discovered that rkhunter is vulnerable to object injection vulnerability. An attacker could use it for remote code execution.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| phpbb3 | 25.10 questing | Not in release |
| 25.04 plucky | Not in release | |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial |
Vulnerable
|
|
| 14.04 LTS trusty |
Fixed 3.0.12-1ubuntu0.1~esm1
|
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| Parameter | Value |
|---|---|
| Base score |
7.2 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |