CVE-2018-19274 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Reference

https://blog.ripstech.com/2018/phpbb3-phar-deserialization-to-remote-code-execution/ https://lists.debian.org/debian-lts-announce/2018/11/msg00029.html https://www.phpbb.com/community/viewtopic.php?f=14&t=2492206

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2