CVE-2018-19274

MEDIUM

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.

References

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

Details

Source: MITRE

Published: 2018-11-17

Updated: 2018-12-20

Type: CWE-20

Risk Information

CVSS v2.0

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 7.2

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

Impact Score: 5.9

Exploitability Score: 1.2

Severity: HIGH