CVE-2018-19520

An issue was discovered in SDCMS 1.6 with PHP 5.x. app/admin/controller/themecontroller.php uses a check_bad function in an attempt to block certain PHP functions such as eval, but does not prevent use of preg_replace 'e' calls, allowing users to execute arbitrary code by leveraging access to admin template management.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/WhiteRabbitc/WhiteRabbitc.github.io/blob/master/cve/SDCMS_1.6_code_execution.doc	Exploit Third Party Advisory
https://blog.whiterabbitxyj.com/cve/SDCMS_1.6_code_execution.doc	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:sdcms:sdcms:1.6:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

Information

Published : 2018-11-25 12:29

Updated : 2019-02-04 06:50

NVD link : CVE-2018-19520

Mitre link : CVE-2018-19520

JSON object : View

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

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Products Affected

sdcms

sdcms

php

php

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