CVEvulnerability

CVE-2018-14911

7.2 HIGH Published 2018-08-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-08-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.2 HIGH — CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-434

Description

A file upload vulnerability exists in ukcms v1.1.7 and earlier. The vulnerability is due to the system not strictly filtering the file upload type. An attacker can exploit the vulnerability to upload a script Trojan to admin.php/admin/configset/index/group/upload.html to gain server control by composing a request for a .txt upload and then changing it to a .php upload. The attacker must have admin access to change the upload_file_ext (aka "Allow upload file suffix") setting, and must use "php,php" in this setting to bypass the "php" restriction.

Affected configurations

• ukcms ukcms (<= 1.1.7)

Related

Weakness · CWE (1)

  • CWE-434 Unrestricted Upload of File with Dangerous Type weakness

References